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发明名称
MOBILE DRILLING RIG
摘要
申请公布号
AU8748982(A)
申请公布日期
1982.12.23
申请号
AU19820087489
申请日期
1982.08.20
申请人
WARMAN INTERNATIONAL LTD.
发明人
HANS GUGGER;JOHN ACKLAND
分类号
E21B7/02;E21B15/04
主分类号
E21B7/02
代理机构
代理人
主权项
地址
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