Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D.06HF | | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D024 | Triode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D030 | Triode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D051 | Triode | | | 
| CV1 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D11F | Pentode | 1945 | | 
| D1F |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D12F | Pentode | 1945 | | 
| D2F |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D1F | Pentode | 1945 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D296 | Triode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D2F | Pentode | 1945 | | 
| D12F |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D.3 | Triode (HF | 1924 | | 
| Det LF Variants) and |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D31 | Photocell | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D37/30 | Rectifier EHT | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D3F | Pentode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D410 | Bi-Grid | 1931 | | 
| MD4 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D43 | Diode | | B4 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DA1 | Triode | 1936 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DA2 | Triode | 1936 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DA250 | Triode | 1954 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DA3 | Triode | 1936 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DAC1 | Diode Triode | 1939 | Ct8 | 
| CV2887 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DAC21 | Diode Triode | | IO | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DAF70 | Diode Pentode | 1950 | | 
| CV2104 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DAF96 | Diode Pentode | 1953 | B7G | 
| 1AH5 1AM5 1FD1 ZD25 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DC/HL | Triode | 1931 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DC2/P | Output Triode | 1931 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DC80 | Triode | | | 
| CV2172 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DD101 | Double Diode | 1938 | MO | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DD13 | Double Diode | 1936 | B5 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DD207 | Double Diode | 1937 | B4 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DD4 | Double Diode | 1934 | B5 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DD41 | Double Diode | 1938 | MO | 
| CV1403 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DD4D | Double Diode | 1938 | B7 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DD620 | Double Diode | 1934 | B5 | 
| ZD |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DD818 | Double Diode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DDA/13 | Double Diode | 1935 | | 
| 2D13C |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DD/Pen | Double Diode Pentode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DDPP4M | Double Diode Pentode | | | 
| CV519 Pen4DD |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DDR100 | Double Diode | 1947 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DDR2 | Pentode | | | 
| CV173 EF55 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DE.06 | Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D.E.34 | Bi-Grid | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
D.E.4 | Bi-Grid | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DE | Bi-Grid | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DE.34HF | Triode | 1925 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DE06 | Bi-Grid | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DE06HF | RF Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DE06LF | AF Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DE2HF | RF Triode | 1925 | B4 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DE2LF | LF Triode | 1925 | B4 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DE3HF | RF Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DE3LF | AF Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DEH210 | Triode | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DEH410 | Triode | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DEL210 | Triode | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DEM2 | Triode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DEP410 | Triode | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DEP610 | Triode | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DEQ | Triode | 1923 | | 
| CV1156 NR18 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DES1 | Thermal Delay Switch | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DET1SW | Triode | | | 
| 161D CV2895 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DET10 | Triode | | | 
| CV2900 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DET1SW | Triode | | | 
| CV2895 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DET2 | Triode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DET8 | Triode | | | 
| CV2898 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DET9 | Triode | | | 
| CV2899 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DF60 | Pentode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DF61 | Pentode | | | 
| CV2371 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DF62 | Pentode | 1956 | | 
| 1AD4 CV2237 XFR1 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DF63 | Pentode | 1958 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DF73 | Pentode | 1950 | | 
| CV2103 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DFA0 | Triode | 1924 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DFA2 | Triode | 1924 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DFA5 | Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DFA6 | Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DFA7 | Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DG12C | Indicator | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DG2 | Bi-grid | 1931 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DG210 | Bi-grid | 1931 | B4 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DG407 | Bi-grid | 1932 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DGP3 | Bi-grid | 1925 | B4 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DH109 | Triple Diode Triode | | | 
| 10LD12 UABC80 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DH2 | Double Diode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DHL | Triode | 1934 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DK40 | Heptode | 1948 | | 
| MDK40 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DL-4 | Triode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DL-5 | Triode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DL-7 | Triode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DL-14 | Triode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DL-15 | Triode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DLS1 | Thermal Delay Switch | 1933 | | 
| CV2913 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DLS15 | Thermal Delay Switch | 1949 | B4 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DLS16 | Thermal Delay Switch | 1949 | IO | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DM160 | Fluorescent Column | 1957 | | 
| CV5412 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DN41 | Double Diode Pentode | 1935 | | 
| AC2/Pen/DD DDPP4B PT4D |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DO10 | Output Triode | 1932 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DO20 | Output Triode | 1929 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DO26 | Triode | 1933 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DO75 | Output Triode | 1931 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DP | Output Triode | 1934 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DPT | Pentode | 1931 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DQ2 | Rectifier (MV) | 1938 | UX4 | 
| 866A |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DR2000 | Indicator | 1968 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DS103 | | | | 
| CV94 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DS320 | Triode | 1938 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DS323 | Pulse Triode | 1937 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DS4100 | Diode Tetrode | 1933 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DSB | RF Tetrode | 1933 | B5 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DV55 | Heil Tube | | | 
| CV230 V230C/1D |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DV-6 | Triode | 1923 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DV-6A | Triode | 1923 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DVSG | Vari-μ Tetrode | 1934 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DW7X | Rectifier HW | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
DY70 | Rectifier HW | | | 
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