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经营范围
发明名称
ANNULAR BOP PACKING UNIT
摘要
A seal and a method of manufacturing a seal for a blowout preventer. The seal includes a rigid material insert disposed within an elastomeric body, with at least a portion of the rigid material insert selectively de-bonded from the elastomeric body.
申请公布号
EP2049763(A4)
申请公布日期
2014.10.01
申请号
EP20070799925
申请日期
2007.07.30
申请人
HYDRIL USA MANUFACTURING LLC
发明人
HUFF, PHILIP, A.;KHANDOKER, SHAFIG;BUTUC, STEFAN
分类号
E21B33/03;E21B33/06
主分类号
E21B33/03
代理机构
代理人
主权项
地址
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