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发明名称
WELL INSTRUMENT PRESSURE DEVICE
摘要
申请公布号
SU635227(A1)
申请公布日期
1978.11.30
申请号
SU19772507408
申请日期
1977.07.05
申请人
OK BYURO GEOFIZICHESKOGO PRIBOROSTROENIYA TRESTA "UKRGEOFIZRAZVEDKA" MINISTERSTVA GEOLOGII UK SSR
发明人
BURDENKO MIKHAIL NAUMOVICH,SU;PREVYSH ANATOLIJ SERGEEVICH,SU;OSOKIN VLADIMIR ALEKSANDROVICH,SU
分类号
E21B47/00;(IPC1-7):E21B47/00
主分类号
E21B47/00
代理机构
代理人
主权项
地址
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