Perfectionnements aux machines parlantes et sonores,申请号FRD802232-传众专利搜索

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发明名称	Perfectionnements aux machines parlantes et sonores
摘要
申请公布号	FR802232(A)	申请公布日期	1936.08.31
申请号	FRD802232	申请日期	1935.05.17
申请人		发明人	JUSTIN LAURENT. GEORGES,;DAVID ZIMMERMANN, MICHEL,
分类号	G11B25/04	主分类号	G11B25/04
代理机构		代理人
主权项
地址

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