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发明名称
A quick lock wireline valve/blow-out preventor and methods for making and using same
摘要
申请公布号
GB201200218(D0)
申请公布日期
2012.02.22
申请号
GB20120000218
申请日期
2008.12.10
申请人
WEATHERFORD/LAMB, INC
发明人
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主分类号
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代理人
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