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发明名称
DEVICE FOR PIPE MANIPULATION OVER ENTRANCE OF BOREHOLE
摘要
申请公布号
RU1812298(C)
申请公布日期
1993.04.30
申请号
SU19904845271
申请日期
1990.07.02
申请人
SPETSIALIZIROVANNOE KONSTRUKTORSKOE BYURO "GIDROGEOTEKHNIKA" PROIZVODSTVENNOGO OB"EDINENIYA "UZBEKGIDROGEOLOGIYA"
发明人
KHARCHENKO ALEKSANDR E;GLUKHOV ALEKSANDR G;KIM ANATOLIJ K;KONDRASHOV SERGEJ B
分类号
E21B19/00;E21B19/14;E21B19/15;(IPC1-7):E21B19/00
主分类号
E21B19/00
代理机构
代理人
主权项
地址
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