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发明名称
UNDERGROUND MINE HAULAGE CHAIN EQUIPMENT
摘要
申请公布号
GB2095721(B)
申请公布日期
1984.09.05
申请号
GB19810010041
申请日期
1981.03.31
申请人
COAL INDUSTRY (PATENTS) LTD
发明人
分类号
E21C29/06;E21C35/04;(IPC1-7):E21C29/06
主分类号
E21C29/06
代理机构
代理人
主权项
地址
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