Système de téléphone automatique,申请号FRD948212-传众专利搜索

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发明名称	Système de téléphone automatique
摘要
申请公布号	FR948212(A)	申请公布日期	1949.07.26
申请号	FRD948212	申请日期	1947.06.19
申请人	TELEFONAKTIEBOLAGET L. M. ERICSSON	发明人
分类号	H04M1/50;H04Q3/42	主分类号	H04M1/50
代理机构		代理人
主权项
地址

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