FR807113A - Perfectionnement aux avertisseurs électriques de véhicules, et appareil pour l'adaptation de ce perfectionnement aux avertisseurs existants
- Google Patents
Perfectionnement aux avertisseurs électriques de véhicules, et appareil pour l'adaptation de ce perfectionnement aux avertisseurs existants
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Equipements Automobiles Marchal SA
Original Assignee
Equipements Automobiles Marchal SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Equipements Automobiles Marchal SAfiledCriticalEquipements Automobiles Marchal SA
Application grantedgrantedCritical
Publication of FR807113ApublicationCriticalpatent/FR807113A/fr
G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B3/00—Audible signalling systems, e.g. audible personal calling systems
G08B3/10—Audible signalling systems, e.g. audible personal calling systems using electric transmission; using electromagnetic transmission
Landscapes
Physics & Mathematics
(AREA)
Electromagnetism
(AREA)
General Physics & Mathematics
(AREA)
FR807113D1935-09-251935-09-25Perfectionnement aux avertisseurs électriques de véhicules, et appareil pour l'adaptation de ce perfectionnement aux avertisseurs existants
ExpiredFR807113A
(fr)