Card selecting apparatus,申请号US19490093864-传众专利搜索

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发明名称	Card selecting apparatus
摘要
申请公布号	US2539998(A)	申请公布日期	1951.01.30
申请号	US19490093864	申请日期	1949.05.18
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	HOLLAND-MARTIN CYRIL G.;BOWYER ALDRED W.
分类号	G06F7/02;G06F7/22	主分类号	G06F7/02
代理机构		代理人
主权项
地址

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