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FR1513534A
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Improvements to sensitive polarized relays
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FR1510073A
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Improvements to differential circuit breakers
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FR1473286A
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Improvements to polarized relays
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FR89387E
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Development of polarized relays
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FR1464033A
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Device for remote indication or repetition of the tariff in force in a meter with several tariffs
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FR1445609A
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Improvements to fast-operating circuit breakers
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FR87232E
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Quick release contact device
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FR1422231A
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Improvements to relays, especially those used in residual current circuit breakers
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FR1415589A
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Improvements to testing devices for differential relays combined with circuit breakers
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FR1409803A
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Device for adjusting the speed or torque of an induction motor or meter
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FR1409804A
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Improvements to temporary desensitization devices for differential relays, whether or not combined with circuit breakers
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FR1401429A
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Improvements to differential circuit breakers
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FR85114E
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Improvements to polarized relays
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FR1354885A
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Three-element induction meter
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FR1350127A
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Arc extinguishing chamber device in devices with high breaking capacity
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FR1344406A
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Quick release lock for circuit breakers
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FR1342252A
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Differential switch-circuit breaker
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ES280395A1
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Quick release contact device (Machine-translation by Google Translate, not legally binding)
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FR82612E
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Quick release contact device
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FR82609E
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Quick release contact device
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