Reproducteur de sons mécano-électrique,申请号FRD879597-传众专利搜索

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法人/股东/高管

发明名称	Reproducteur de sons mécano-électrique
摘要
申请公布号	FR879597(A)	申请公布日期	1943.02.26
申请号	FRD879597	申请日期	1941.10.24
申请人		发明人	COURCY GEORGES;DURAND MARCEL-PAUL
分类号	H04R21/04	主分类号	H04R21/04
代理机构		代理人
主权项
地址

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