Système téléphoniques automatiques,申请号FRD856415-传众专利搜索

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法人/股东/高管

发明名称	Système téléphoniques automatiques
摘要
申请公布号	FR856415(A)	申请公布日期	1940.06.13
申请号	FRD856415	申请日期	1939.06.16
申请人	ELECTRICAL RESEARCH PRODUCTS INC.	发明人
分类号	H04M3/22	主分类号	H04M3/22
代理机构		代理人
主权项
地址

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