Card comparing means,申请号US19550510403-传众专利搜索

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发明名称	Card comparing means
摘要
申请公布号	US2845224(A)	申请公布日期	1958.07.29
申请号	US19550510403	申请日期	1955.05.23
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	DEMER FREDERICK MURRAY
分类号		主分类号
代理机构		代理人
主权项
地址

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