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Tubes / semiconductors by category - Manufacturer

Selected: PTR - Polskie Towarzystwo Radjotechniczne; Warszawa


Name Maker Year User Usage Type Base Pin-Assigment Charts Photos Characteristic Diagrams Typical Application Circuit Prices Forum-Threads private Collector-Cards Models

RM_Poland PTR - Pols Universal Triode, Europe –  –  –  –    –  – 

1 tubes or semiconductors found.

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