photoelectric tube,photoemissive cell,photosensitive tube,phototube /ENG-ELECTRICAL/
[DE] Photoemissionsroehre; Photoemissionszelle; Photozelle
[EN] photoelectric tube; photoemissive cell; photosensitive tube; phototube
[FR] cellule photo-émissive; cellule photoémissive; phototube; tube photo-émissif; tube photoélectronique