 | List of vacuum tubes (category CS1 German-language sources (de)) and U- tube-series". Retrieved 23 September 2022. "Tabelle der Heeres-Batterie-Spezialröhren" (PDF) (in German). Lorenz. Retrieved 21 December 2015. Miniwatt... 329 KB (40,570 words) - 19:13, 31 March 2024 |