Perfectionnements aux machines mathématiques,申请号FRD1086969-传众专利搜索

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发明名称	Perfectionnements aux machines mathématiques
摘要
申请公布号	FR1086969(A)	申请公布日期	1955.02.17
申请号	FRD1086969	申请日期	1953.08.28
申请人	COMPAGNIE FRANCAISE THOMSON-HOUSTON	发明人
分类号	G06G7/46	主分类号	G06G7/46
代理机构		代理人
主权项
地址

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