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发明名称
DEVICE FOR ROUND TRIP OF WELL INSTRUMENTS
摘要
申请公布号
RU2041350(C1)
申请公布日期
1995.08.09
申请号
SU19925024081
申请日期
1992.01.27
申请人
NAUCHNO-PROIZVODSTVENNOE OB"EDINENIE "SEJSMOTEKHNIKA"
发明人
ASAN-DZHALALOV ALEKSEJ GEORGIEVICH;MAKAROV VIKTOR VIKTOROVICH;ANDROSENKO ALEKSANDR PAVLOVICH;MEZHENNIKOV ALEKSANDR PAVLOVICH
分类号
E21B15/00;E21B33/03;E21B47/01;(IPC1-7):E21B47/01
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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