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发明名称
BLOWOUT PREVENTER
摘要
申请公布号
US3554480(A)
申请公布日期
1971.01.12
申请号
USD3554480
申请日期
1968.01.16
申请人
CAMERON IRON WORKS INC.
发明人
FREDERICK G. ROWE
分类号
E21B33/06;(IPC1-7):F16K3/02
主分类号
E21B33/06
代理机构
代理人
主权项
地址
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