Perfectionnements aux écrans de projection multicellulaires,申请号FRD1083966-传众专利搜索

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发明名称	Perfectionnements aux écrans de projection multicellulaires
摘要
申请公布号	FR1083966(A)	申请公布日期	1955.01.14
申请号	FRD1083966	申请日期	1953.09.23
申请人		发明人	SAGET EMMANUEL-MARIE-JULIE
分类号	G03B21/60	主分类号	G03B21/60
代理机构		代理人
主权项
地址

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