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发明名称
Turbine vibrator assembly
摘要
申请公布号
GB2261238(A)
申请公布日期
1993.05.12
申请号
GB19920023330
申请日期
1992.11.06
申请人
* BP EXPLORATION OPERATING COMPANY LIMITED
发明人
RICHARD H * REILEY
分类号
E21B4/02;E21B7/24;E21B31/00
主分类号
E21B4/02
代理机构
代理人
主权项
地址
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