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发明名称
Brönnhodekonstruksjon
摘要
申请公布号
NO300339(B1)
申请公布日期
1997.05.12
申请号
NO19880005012
申请日期
1988.11.10
申请人
COOPER CAMERON CORP
发明人
SZYMOZAK, EDWARD J.;CASSITY, THOMAS G.;TAYLOR, WILLIAM M.;TIEMER, PEER H.;HOES, LARRY M.;SMITH, JERRY D.;DAVIES, TIMOTHY C.
分类号
E21B33/037;E21B33/00;E21B33/04;F16L13/16;(IPC1-7):E21B33/04;F16L13/14
主分类号
E21B33/037
代理机构
代理人
主权项
地址
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