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发明名称
BLOWOUT PREVENTER
摘要
申请公布号
SU1592472(A1)
申请公布日期
1990.09.15
申请号
SU19874252759
申请日期
1987.05.28
申请人
PSHENICHNYJ PAVEL L
发明人
PSHENICHNYJ PAVEL L,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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