Dispositif de tirage pour films sonores,申请号FRD721801-传众专利搜索

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发明名称	Dispositif de tirage pour films sonores
摘要
申请公布号	FR721801(A)	申请公布日期	1932.03.08
申请号	FRD721801	申请日期	1931.08.20
申请人	I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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