EXPLOSION PROTECTED SWITCHGEAR WITH CONNECTION ROOM
Номер патента: DE2317006A1
Опубликовано: 17-10-1974
Автор(ы): Walter Andres
Принадлежит: BBC Brown Boveri AG Germany, BBC Brown Boveri France SA
Опубликовано: 17-10-1974
Автор(ы): Walter Andres
Принадлежит: BBC Brown Boveri AG Germany, BBC Brown Boveri France SA
Switch for explosion-protected light with visual display e.g. long-field light has colored areas which are revealed when the switch is actuated to indicate state of operation
Номер патента: FR2784499A1. Автор: Reinhold Barlian,Carl Heinz Lux,Lothar Mezger. Владелец: Bartec Componenten und Systeme GmbH. Дата публикации: 2000-04-14.