Selecting and conveying apparatus for card indexes,申请号GB19380008595-传众专利搜索

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发明名称	Selecting and conveying apparatus for card indexes
摘要
申请公布号	GB505706(A)	申请公布日期	1939.05.16
申请号	GB19380008595	申请日期	1938.03.21
申请人	OTTO BECKER	发明人
分类号	G06F7/10;G06K17/00	主分类号	G06F7/10
代理机构		代理人
主权项
地址

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