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发明名称
WELL CASING HANGER WITH WIDE TEMPERATURE RANGE SEAL
摘要
申请公布号
GB2242465(A)
申请公布日期
1991.10.02
申请号
GB19910006695
申请日期
1991.03.28
申请人
* FMC CORPORATION
发明人
DAVID EARL * CAIN;RONALD WILLIAM * HENLEY;KEVIN PATRICK * LONG;TEP * UNGCHUSRI;JOHN CHARLES * VICIC
分类号
E21B33/04
主分类号
E21B33/04
代理机构
代理人
主权项
地址
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