Improvements in and relating to perforated record readers,申请号GB19610029021-传众专利搜索

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发明名称	Improvements in and relating to perforated record readers
摘要
申请公布号	GB965701(A)	申请公布日期	1964.08.06
申请号	GB19610029021	申请日期	1961.08.11
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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