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发明名称
METHOD FOR DETERMINATION OF WELL ZENITH AND SIGHT ANGLES
摘要
申请公布号
RU2017950(C1)
申请公布日期
1994.08.15
申请号
SU19914935054
申请日期
1991.05.06
申请人
KRIVONOSOV ROSTISLAV IVANOVICH
发明人
KRIVONOSOV ROSTISLAV I;SARDARYAN PETR V;DEJNEGA GENNADIJ A;ALIEV ARSAMAK G
分类号
E21B47/022;(IPC1-7):E21B47/022
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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