EXCAVATING MACHINES FOR EXCAVATING ROCK OR MINERAL,申请号GB19790004681-传众专利搜索

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发明名称	EXCAVATING MACHINES FOR EXCAVATING ROCK OR MINERAL
摘要
申请公布号	GB2041424(B)	申请公布日期	1982.10.20
申请号	GB19790004681	申请日期	1979.02.09
申请人	COAL INDUSTRY LTD	发明人
分类号	E21D9/10;(IPC1-7):E21D9/10	主分类号	E21D9/10
代理机构		代理人
主权项
地址

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