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发明名称
Replaceable pressure sensor
摘要
申请公布号
GB0116153(D0)
申请公布日期
2001.08.22
申请号
GB20010016153
申请日期
2001.07.02
申请人
KVAERNER OILFIELD PRODUCTS LTD
发明人
分类号
E21B33/035;E21B47/06
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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