Improvements relating to visible index filing systems,申请号GB19350027902-传众专利搜索

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发明名称	Improvements relating to visible index filing systems
摘要
申请公布号	GB465596(A)	申请公布日期	1937.05.10
申请号	GB19350027902	申请日期	1935.10.09
申请人	HANS SCHMID	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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