Procédé de reproduction des films sonores,申请号FRD765593-传众专利搜索

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发明名称	Procédé de reproduction des films sonores
摘要
申请公布号	FR765593(A)	申请公布日期	1934.06.12
申请号	FRD765593	申请日期	1933.03.09
申请人	LE FILM OZAPHANE, SOCIETE ANONYME	发明人
分类号	G03C5/14	主分类号	G03C5/14
代理机构		代理人
主权项
地址

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