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发明名称
DOWNHOLE PRESSURE & TEMPERATURE GAUGES
摘要
申请公布号
GB8620212(D0)
申请公布日期
1986.10.01
申请号
GB19860020212
申请日期
1986.08.20
申请人
DREXEL EQUIPMENT (UK) LTD
发明人
分类号
E21B47/06;G01D5/04;G01K5/32;G01L7/04
主分类号
E21B47/06
代理机构
代理人
主权项
地址
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