Récepteurs d'impulsions de numérotation téléphonique,申请号FRD982755-传众专利搜索

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发明名称	Récepteurs d'impulsions de numérotation téléphonique
摘要
申请公布号	FR982755(A)	申请公布日期	1951.06.14
申请号	FRD982755	申请日期	1949.03.09
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人
分类号	H04Q1/40	主分类号	H04Q1/40
代理机构		代理人
主权项
地址

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