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RT280/40

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ID = 12227
       
Country:
France
Brand: LMT (L.M.T.), Le Matériel Téléphonique, Radiojour; Paris, Boulogne-Billancourt
Tube type:  Voltage Regulator, cascade   Power-supply 
Identical to RT280/40 = PTT3001 = STV280/40
Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fb)
Filament
Information source Taschenbuch zum Röhren-Codex 1948/49   
rt28080rt28040ptt3001ptt3002techniqueingnieurculots_1.png RT280/40: Technique de l'ingénieur
Patrice Zeissloff

Just Qvigstad 		rt28040techniqueingnieurdoc.png
RT280/40: Technique de l'ingénieur
Patrice Zeissloff

Collection of

Patrice Zeissloff (F)
 
rt28040lmtph1s.jpg

RT280/40
 
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