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发明名称
CONTROL SYSTEMS AND CONTROL METHOD FOR OIL OR GAS WELLS
摘要
申请公布号
EP0023012(A3)
申请公布日期
1981.05.06
申请号
EP19800104100
申请日期
1980.07.15
申请人
FMC CORPORATION
发明人
MILBERGER, LIONEL JOHN
分类号
E21B33/035;F15B13/07;F15B15/08;F16H27/02;F16K11/074;F16K31/124;F16K31/528;(IPC1-7):E21B33/03;E21B34/16;F16K31/52;F16K31/12;F16K11/07
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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