Machine à calculer,申请号FRD830035-传众专利搜索

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发明名称	Machine à calculer
摘要
申请公布号	FR830035(A)	申请公布日期	1938.07.19
申请号	FRD830035	申请日期	1937.11.26
申请人	THE W. L. MAXSON CORPORATION	发明人
分类号	G06G3/00	主分类号	G06G3/00
代理机构		代理人
主权项
地址

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