Improvements in statistical record cards,申请号GB19400010399-传众专利搜索

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发明名称	Improvements in statistical record cards
摘要
申请公布号	GB524859(A)	申请公布日期	1940.08.15
申请号	GB19400010399	申请日期	1938.11.07
申请人	REMINGTON RAND INC.	发明人
分类号	G06K15/04;G06K19/04	主分类号	G06K15/04
代理机构		代理人
主权项
地址

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