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发明名称
SUBMERSIBLE BLOW-OUT PREVENTER
摘要
申请公布号
RO85351(B1)
申请公布日期
1984.11.30
申请号
RO19820107896
申请日期
1982.06.17
申请人
BALICA IOAN;VATAFU TOMA;LAZAR ION
发明人
BALICA IOAN;VATAFU TOMA;LAZAR ION
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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