Improvements in or relating to an indicator for hanging filing system,申请号GB19460000348-传众专利搜索

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发明名称	Improvements in or relating to an indicator for hanging filing system
摘要
申请公布号	GB611922(A)	申请公布日期	1948.11.05
申请号	GB19460000348	申请日期	1946.01.04
申请人	GERARDUS JACOBUS VAN ASSELT;HERMAN KASPER LIGTHART	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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