Improvements in or relating to record card controlled statistical machines,申请号GB19500012378-传众专利搜索

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发明名称	Improvements in or relating to record card controlled statistical machines
摘要
申请公布号	GB694365(A)	申请公布日期	1953.07.22
申请号	GB19500012378	申请日期	1950.05.17
申请人	POWERS-SAMAS ACCOUNTING MACHINES LIMITED	发明人	PERRIN JOHN
分类号		主分类号
代理机构		代理人
主权项
地址

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