Record punching machine,申请号US19530400277-传众专利搜索

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发明名称	Record punching machine
摘要
申请公布号	US2792891(A)	申请公布日期	1957.05.21
申请号	US19530400277	申请日期	1953.12.24
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	JOHNSON REYNOLD B.
分类号		主分类号
代理机构		代理人
主权项
地址

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