FR1001998A - Perfectionnements apportés aux relais électromagnétiques, du genre notamment des relais de protection pour machines ou installations électriques
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Perfectionnements apportés aux relais électromagnétiques, du genre notamment des relais de protection pour machines ou installations électriques
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FORCE ET LUMIERE ELECTR FORCLU
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FORCE ET LUMIERE ELECTR FORCLU
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H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
H02H3/14—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to occurrence of voltage on parts normally at earth potential
FR1001998D1946-07-101946-07-10Perfectionnements apportés aux relais électromagnétiques, du genre notamment des relais de protection pour machines ou installations électriques
ExpiredFR1001998A
(fr)