MACHINIST'S CALCULATOR,申请号CAD578885-传众专利搜索

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发明名称	MACHINIST'S CALCULATOR
摘要
申请公布号	CA578885(A)	申请公布日期	1959.07.07
申请号	CAD578885	申请日期
申请人	DAVID R. HUGHSON	发明人	DAVID R. HUGHSON
分类号		主分类号
代理机构		代理人
主权项
地址

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