Dispositif pour protéger les installations à courant alternatif contre les dangers découlant d'une mise à la terre,申请号FRD791449-传众专利搜索

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发明名称	Dispositif pour protéger les installations à courant alternatif contre les dangers découlant d'une mise à la terre
摘要
申请公布号	FR791449(A)	申请公布日期	1935.12.11
申请号	FRD791449	申请日期	1935.06.19
申请人		发明人	FRYDENLUND CARL
分类号	H02H3/42	主分类号	H02H3/42
代理机构		代理人
主权项
地址

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