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ID = 72702
Soviet Union
Brand: Common type USSR (SU) tube/semicond.
Tube type:  Signal Diode - one single system   Detector 
Identical to 4Д5С
Similar Tubes
Multiple differences or of other kind:

Base Wires
Filament Vf 6 Volts / If 0.21 Ampere / Indirect / Parallel, (AC/DC)
4Д5С: Photo of tube from my collection - TS
Tomasz Szczesniak

4Д5С: Guessed by me, proved on tester
Tomasz Szczesniak


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