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经营范围
发明名称
DRILLING RIG
摘要
申请公布号
AU2003229958(A1)
申请公布日期
2003.11.17
申请号
AU20030229958
申请日期
2003.04.29
申请人
MARIS TDM LIMITED
发明人
LAURENCE, JOHN AYLING
分类号
E21B7/124;E21B15/02;(IPC1-7):E21B7/124
主分类号
E21B7/124
代理机构
代理人
主权项
地址
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