Appareils de reproduction de son et de projection d'images combinés,申请号FRD940099-传众专利搜索

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发明名称	Appareils de reproduction de son et de projection d'images combinés
摘要
申请公布号	FR940099(A)	申请公布日期	1948.12.02
申请号	FRD940099	申请日期	1947.01.14
申请人		发明人	BELENKY ALEXANDER
分类号	G03B31/00	主分类号	G03B31/00
代理机构		代理人
主权项
地址

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