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发明名称
Underwater well apparatus
摘要
申请公布号
GB1079158(A)
申请公布日期
1967.08.16
申请号
GB19650028864
申请日期
1965.07.07
申请人
TEXACO DEVELOPMENT CORPORATION
发明人
分类号
E21B33/035;E21B33/038;E21B33/064
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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