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发明名称
Underground mine support equipment
摘要
申请公布号
GB2086462(A)
申请公布日期
1982.05.12
申请号
GB19800033919
申请日期
1980.10.21
申请人
COAL INDUSTRY (PATENTS) LTD
发明人
分类号
E21D23/00;E21D23/04;(IPC1-7):E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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