Mineral winning machine,申请号GB19810011335-传众专利搜索

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发明名称	Mineral winning machine
摘要
申请公布号	GB2074216(A)	申请公布日期	1981.10.28
申请号	GB19810011335	申请日期	1981.04.10
申请人	PITCRAFT SUMMIT LTD	发明人
分类号	E21C27/02;(IPC1-7):E21C27/00	主分类号	E21C27/02
代理机构		代理人
主权项
地址

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