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发明名称
Submarie wellhead apparatus
摘要
申请公布号
US3195638(A)
申请公布日期
1965.07.20
申请号
US19590831088
申请日期
1959.08.03
申请人
CAMERON IRON WORKS, INC.
发明人
RONAX ROBERT K. LE
分类号
E21B33/035;E21B33/04
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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