IMPROVEMENTS IN OR RELATING TO MINING MACHINES,申请号GB19810026346-传众专利搜索

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发明名称	IMPROVEMENTS IN OR RELATING TO MINING MACHINES
摘要
申请公布号	GB2083855(B)	申请公布日期	1984.11.14
申请号	GB19810026346	申请日期	1981.08.28
申请人	JOY MANUFACTURING CO	发明人
分类号	B28D1/18;E21C25/10;E21C35/18;(IPC1-7):E21C35/18	主分类号	B28D1/18
代理机构		代理人
主权项
地址

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