Improvements relating to machines for mining coal and other minerals,申请号GB19610011287-传众专利搜索

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发明名称	Improvements relating to machines for mining coal and other minerals
摘要
申请公布号	GB954681(A)	申请公布日期	1964.04.08
申请号	GB19610011287	申请日期	1961.03.28
申请人	MAVOR & COULSON LIMITED	发明人	JERRIT GEORGE
分类号	E21C27/04	主分类号	E21C27/04
代理机构		代理人
主权项
地址

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