FR746460A - Contrôleur-détecteur de déplacement d'air, applicable en particulier à l'établissement de dispositifs de surveillance ou de sécurité
- Google Patents
Contrôleur-détecteur de déplacement d'air, applicable en particulier à l'établissement de dispositifs de surveillance ou de sécurité
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H01H35/00—Switches operated by change of a physical condition
H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
H01H35/144—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch operated by vibration
FR746460D1932-11-261932-11-26Contrôleur-détecteur de déplacement d'air, applicable en particulier à l'établissement de dispositifs de surveillance ou de sécurité
ExpiredFR746460A
(fr)