CONVEYING AND EXTRACTION EQUIPMENT FOR MINING,申请号GB19800022788-传众专利搜索

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发明名称	CONVEYING AND EXTRACTION EQUIPMENT FOR MINING
摘要
申请公布号	GB2058880(B)	申请公布日期	1983.03.23
申请号	GB19800022788	申请日期	1980.07.11
申请人	HALBACH & BRAUN	发明人
分类号	E21C29/10;(IPC1-7):E21C29/10;B61C11/02	主分类号	E21C29/10
代理机构		代理人
主权项
地址

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