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H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
H01C7/12—Overvoltage protection resistors
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FR889204D1942-08-251942-08-25Protection de dispositifs électriques contre les surtensions
ExpiredFR889204A
(fr)