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经营范围
发明名称
MINING MACHINE
摘要
申请公布号
AU501394(B2)
申请公布日期
1979.06.21
申请号
AU19750087358
申请日期
1975.12.09
申请人
NATIONAL MINE SERVICE CO.
发明人
M.K. LEBEGUE
分类号
E21C27/24;E21C35/20;(IPC1-7):E21C27/24
主分类号
E21C27/24
代理机构
代理人
主权项
地址
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