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发明名称
RAM TYPE BLOWOUT PREVENTER
摘要
申请公布号
GB2154265(A)
申请公布日期
1985.09.04
申请号
GB19850005994
申请日期
1985.03.08
申请人
* KOOMEY BLOWOUT PREVENTERS INC
发明人
MARVIN RICHARD * JONES
分类号
E21B29/08;E21B33/06;(IPC1-7):E21B33/06
主分类号
E21B29/08
代理机构
代理人
主权项
地址
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MOTOR
