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发明名称
Fluid influx indicator
摘要
申请公布号
US2377501(A)
申请公布日期
1945.06.05
申请号
US19410407339
申请日期
1941.08.18
申请人
KINLEY MYRON M
发明人
KINLEY MYRON M.
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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