Dispositif de relais, en particulier pour installations téléphoniques,申请号FRD913495-传众专利搜索

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发明名称	Dispositif de relais, en particulier pour installations téléphoniques
摘要
申请公布号	FR913495(A)	申请公布日期	1946.09.11
申请号	FRD913495	申请日期	1945.08.21
申请人	TELEFONAKTIEBOLAGET L. M. ERICSSON	发明人
分类号	H01H50/16	主分类号	H01H50/16
代理机构		代理人
主权项
地址

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