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发明名称
BLOWOUT PREVENTER
摘要
申请公布号
SU1490253(A2)
申请公布日期
1989.06.30
申请号
SU19874316451
申请日期
1987.10.15
申请人
AZERB NI PK I NEFTYANOGO MASHINOSTROENIYA
发明人
FRENKEL BORIS O,SU;GENDELSMAN LEONID I,SU
分类号
E21B33/06
主分类号
E21B33/06
代理机构
代理人
主权项
地址
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