Perfectionnement aux écrans,申请号FRD910750-传众专利搜索

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发明名称	Perfectionnement aux écrans
摘要
申请公布号	FR910750(A)	申请公布日期	1946.06.17
申请号	FRD910750	申请日期	1944.12.13
申请人	COMPAGNIE FRANCAISE THOMSON-HOUSTON	发明人
分类号	G03B21/56	主分类号	G03B21/56
代理机构		代理人
主权项
地址

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