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发明名称
Submerged well apparatus
摘要
申请公布号
GB1104488(A)
申请公布日期
1968.02.28
申请号
GB19650031834
申请日期
1965.07.26
申请人
ESSO PETROLEUM RESEARCH COMPANY
发明人
NEWSOME NORMAN
分类号
A01B39/26;E21B33/035;E21B41/00;E21B43/01
主分类号
A01B39/26
代理机构
代理人
主权项
地址
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