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发明名称
MINE MACHINE TRIM CHAIN ADJUSTMENT
摘要
申请公布号
AU7106681(A)
申请公布日期
1981.12.24
申请号
AU19810071066
申请日期
1981.05.27
申请人
NATIONAL MINE SERVICE CO.
发明人
M.K. LEBEGUE;E.C. MICHAEL
分类号
E21C27/00;E21C27/01;E21C27/24;E21C31/08
主分类号
E21C27/00
代理机构
代理人
主权项
地址
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