Improvements in cutter drums and picks therefor for coal cutting and the like,申请号GB19590012095-传众专利搜索

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发明名称	Improvements in cutter drums and picks therefor for coal cutting and the like
摘要
申请公布号	GB945609(A)	申请公布日期	1964.01.02
申请号	GB19590012095	申请日期	1959.05.09
申请人	DONALD GEORGE SHAW	发明人
分类号	E21C25/10	主分类号	E21C25/10
代理机构		代理人
主权项
地址

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