Improvements in or relating to lifting handles or keys for manhole covers,申请号GB19360010832-传众专利搜索

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发明名称	Improvements in or relating to lifting handles or keys for manhole covers
摘要
申请公布号	GB473837(A)	申请公布日期	1937.10.15
申请号	GB19360010832	申请日期	1936.04.15
申请人	VIVIAN ELKINGTON	发明人
分类号	B25B9/00;B65G7/12;B66F19/00	主分类号	B25B9/00
代理机构		代理人
主权项
地址

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