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发明名称
Ventil for bruk i brönner
摘要
申请公布号
NO20021460(D0)
申请公布日期
2002.03.22
申请号
NO20020001460
申请日期
2002.03.22
申请人
SCHLUMBERGER TECHNOLOGY BV
发明人
MCLOUGHLIN, EUGENE P;RUBINSTEIN, SCOTT A;MARTINEZ, RICHARDO;KOSMALA, ALEXANDRE G E
分类号
E21B23/00;E21B34/10;E21B43/12;E21B43/32;(IPC1-7):E21B
主分类号
E21B23/00
代理机构
代理人
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