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发明名称
Styreanordning
摘要
申请公布号
NO951513(D0)
申请公布日期
1995.04.20
申请号
NO19950001513
申请日期
1995.04.20
申请人
WESTERN ATLAS INTERNATIONAL INC
发明人
NICE, SIDNEY B.
分类号
E21B23/03;(IPC1-7):E21B
主分类号
E21B23/03
代理机构
代理人
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地址
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