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发明名称
Blowout preventer
摘要
申请公布号
US2387106(A)
申请公布日期
1945.10.16
申请号
US19420438527
申请日期
1942.04.11
申请人
CAMERON IRON WORKS
发明人
ALLEN HERBERT
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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