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Landis and Gyr AG
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Landis and Gyr AG
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Application filed by Landis and Gyr AGfiledCriticalLandis and Gyr AG
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Publication of FR793882ApublicationCriticalpatent/FR793882A/fr
G04C15/0054—Clocks driven by synchronous motors with power-reserve
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR793882D1934-11-241935-08-19Dispositif de mesure du temps à moteur synchrone pour la commande d'appareils contrôlés en fonction du temps
ExpiredFR793882A
(fr)