Perfectionnement aux appareils de lecture du son enregistré photographiquement sur film,申请号FRD734962-传众专利搜索

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发明名称	Perfectionnement aux appareils de lecture du son enregistré photographiquement sur film
摘要
申请公布号	FR734962(A)	申请公布日期	1932.10.31
申请号	FRD734962	申请日期	1932.04.11
申请人		发明人	JOANNIDES ALEXANDRE-GEORGES
分类号		主分类号
代理机构		代理人
主权项
地址

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