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发明名称
SUB SURFACE PRESSURE GAUGE
摘要
申请公布号
GB8610452(D0)
申请公布日期
1986.06.04
申请号
GB19860010452
申请日期
1986.04.29
申请人
OIL & NATURAL GAS COMMISSION
发明人
分类号
E21B47/06;G01L19/08;(IPC1-7):G01L7/04
主分类号
E21B47/06
代理机构
代理人
主权项
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