Improvements in or relating to filing systems,申请号GB19400009795-传众专利搜索

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发明名称	Improvements in or relating to filing systems
摘要
申请公布号	GB541668(A)	申请公布日期	1941.12.05
申请号	GB19400009795	申请日期	1940.06.04
申请人	LIBRARY BUREAU LIMITED;ERNEST NORRELL WIMHURST	发明人
分类号	B42F15/00	主分类号	B42F15/00
代理机构		代理人
主权项
地址

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