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经营范围
发明名称
UNIVERSAL BLOWOUT PREVENTER
摘要
申请公布号
RU2047733(C1)
申请公布日期
1995.11.10
申请号
SU19925045637
申请日期
1992.03.31
申请人
RAZZHIVIN DMITRIJ VLADIMIROVICH
发明人
RAZZHIVIN VLADIMIR IVANOVICH
分类号
E21B33/06;(IPC1-7):E21B33/06
主分类号
E21B33/06
代理机构
代理人
主权项
地址
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