MINING MACHINE HAVING CONVEYOR AND APPARATUS FOR CONTROLLING THE TENSION OF THE CONVEYOR,申请号GB19770044338-传众专利搜索

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发明名称	MINING MACHINE HAVING CONVEYOR AND APPARATUS FOR CONTROLLING THE TENSION OF THE CONVEYOR
摘要
申请公布号	GB1587755(A)	申请公布日期	1981.04.08
申请号	GB19770044338	申请日期	1977.10.25
申请人	NATIONAL MINE SERVICE CO	发明人
分类号	E21C27/24;E21C35/20;(IPC1-7):E21C35/00	主分类号	E21C27/24
代理机构		代理人
主权项
地址

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