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Affranch & Timbrage
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Affranch & Timbrage
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Application filed by Affranch & TimbragefiledCriticalAffranch & Timbrage
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Publication of FR800663ApublicationCriticalpatent/FR800663A/fr
G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B9/00—Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR800663D1935-04-151935-04-15Postes portatifs reliés électriquement pour la transmission et la réception de signaux par voie télégraphique
ExpiredFR800663A
(fr)