Résistance à variation progressive,申请号FRD63172-传众专利搜索

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发明名称	Résistance à variation progressive
摘要
申请公布号	FR63172(E)	申请公布日期	1955.08.25
申请号	FRD63172	申请日期	1952.07.28
申请人	SOCIETE PARVEX	发明人
分类号	H01C10/00	主分类号	H01C10/00
代理机构		代理人
主权项
地址

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