Perfectionnements apportés aux procédés de transmission,申请号FRD1012536-传众专利搜索

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发明名称	Perfectionnements apportés aux procédés de transmission
摘要
申请公布号	FR1012536(A)	申请公布日期	1952.07.11
申请号	FRD1012536	申请日期	1949.11.10
申请人		发明人	VIALLON CHARLES-JULES
分类号	H04J3/00	主分类号	H04J3/00
代理机构		代理人
主权项
地址

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