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发明名称
VERTICAL BLOW-OUT PREVENTER
摘要
申请公布号
RO87291(B1)
申请公布日期
1985.07.31
申请号
RO19830111137
申请日期
1983.06.02
申请人
INTREPRINDEREA "1 MAI"
发明人
MIHAILESCU ALCIBIADE;BOGDAN GHEORGHE;RIMNICEANU SEVASTIAN
分类号
E21B33/00
主分类号
E21B33/00
代理机构
代理人
主权项
地址
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