Perfectionnement aux machines à calculer,申请号FRD1023390-传众专利搜索

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发明名称	Perfectionnement aux machines à calculer
摘要
申请公布号	FR1023390(A)	申请公布日期	1953.03.18
申请号	FRD1023390	申请日期	1950.07.21
申请人	COMPAGNIE FRANCAISE THOMSON-HOUSTON	发明人
分类号	G06F7/38;H01J31/06;H03K29/00	主分类号	G06F7/38
代理机构		代理人
主权项
地址

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