Visible card indexes and means for adjustably supporting cards therein,申请号GB19290011622-传众专利搜索

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发明名称	Visible card indexes and means for adjustably supporting cards therein
摘要
申请公布号	GB310034(A)	申请公布日期	1930.04.03
申请号	GB19290011622	申请日期	1929.04.15
申请人	STANLEY BERNARD FREIBERG	发明人
分类号	B42F17/18	主分类号	B42F17/18
代理机构		代理人
主权项
地址

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