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发明名称
Retrievable casing tester
摘要
申请公布号
US3086387(A)
申请公布日期
1963.04.23
申请号
US19590820206
申请日期
1959.06.15
申请人
LAYTON GERALD E
发明人
LAYTON GERALD E.
分类号
E21B47/10
主分类号
E21B47/10
代理机构
代理人
主权项
地址
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