Weight compensating means for hinged covers of vertical planfiles and the like,申请号GB19500013185-传众专利搜索

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发明名称	Weight compensating means for hinged covers of vertical planfiles and the like
摘要
申请公布号	GB709801(A)	申请公布日期	1954.06.02
申请号	GB19500013185	申请日期	1950.05.25
申请人	CHARLES BENJAMIN ULRICH	发明人
分类号	B42F15/06	主分类号	B42F15/06
代理机构		代理人
主权项
地址

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