TENSIONING EQUIPMENT FOR THE HAULAGE CHAIN OR ROPE OF A LONGWALL MINING MACHINE,申请号GB19660047903-传众专利搜索

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发明名称	TENSIONING EQUIPMENT FOR THE HAULAGE CHAIN OR ROPE OF A LONGWALL MINING MACHINE
摘要
申请公布号	GB1200891(A)	申请公布日期	1970.08.05
申请号	GB19660047903	申请日期	1966.10.25
申请人	COAL INDUSTRY (PATENTS) LIMITED	发明人	KENNETH BRADFORD
分类号	E21C29/14	主分类号	E21C29/14
代理机构		代理人
主权项
地址

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