Mechanical record sensing device,申请号US19500163061-传众专利搜索

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发明名称	Mechanical record sensing device
摘要
申请公布号	US2577070(A)	申请公布日期	1951.12.04
申请号	US19500163061	申请日期	1950.05.19
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	CHENEY RAYMOND E.
分类号		主分类号
代理机构		代理人
主权项
地址

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