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FORCE ET LUMIERE ELECTR SOC
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FORCE ET LUMIERE ELECTR SOC
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Publication of FR651020ApublicationCriticalpatent/FR651020A/en
H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
H01H50/74—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter
H01H50/76—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter using reed or blade spring
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Physics & Mathematics
(AREA)
Electromagnetism
(AREA)
FR651020D1928-03-191928-03-19
Breaker for induction coils
ExpiredFR651020A
(en)