Machine à calculer,申请号FRD1016917-传众专利搜索

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发明名称	Machine à calculer
摘要
申请公布号	FR1016917(A)	申请公布日期	1952.11.26
申请号	FRD1016917	申请日期	1947.10.22
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人
分类号	G06F7/498;G06F7/52	主分类号	G06F7/498
代理机构		代理人
主权项
地址

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