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经营范围
发明名称
Blowout preventer
摘要
申请公布号
US2193110(A)
申请公布日期
1940.03.12
申请号
US19350039607
申请日期
1935.09.07
申请人
PENICK KIRBY T;PENICK ARTHUR J
发明人
PENICK KIRBY T.;PENICK ARTHUR J.
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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