Improved method of and device for punching statistical cards,申请号GB19560027898-传众专利搜索

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发明名称	Improved method of and device for punching statistical cards
摘要
申请公布号	GB804658(A)	申请公布日期	1958.11.19
申请号	GB19560027898	申请日期	1956.09.12
申请人	JOENKOPINGS OCH VULCANS TAENDSTICKSFABRIKS-AKTIEBOLAG	发明人
分类号	G06K19/00	主分类号	G06K19/00
代理机构		代理人
主权项
地址

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