Dispositif de commutation,申请号FRD1018534-传众专利搜索

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发明名称	Dispositif de commutation
摘要
申请公布号	FR1018534(A)	申请公布日期	1953.01.08
申请号	FRD1018534	申请日期	1950.05.17
申请人	TELEFONAKTIEBOLAGET L. M. ERICSSON	发明人
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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