Improvements in or relating to the operation of mine hoists and the like,申请号GB19520012890-传众专利搜索

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发明名称	Improvements in or relating to the operation of mine hoists and the like
摘要
申请公布号	GB714968(A)	申请公布日期	1954.09.08
申请号	GB19520012890	申请日期	1952.05.21
申请人	METROPOLITAN-VICKERS ELECTRICAL COMPANY LIMITED	发明人	GREAVES REGINALD DOUGLAS
分类号	B66B1/12	主分类号	B66B1/12
代理机构		代理人
主权项
地址

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