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发明名称
EINRICHTUNG ZUR NIEDERBRINGUNG VON BOHRLOECHERN IM BODEN
摘要
申请公布号
ATA66882(A)
申请公布日期
1983.03.15
申请号
AT19820000668
申请日期
1982.02.22
申请人
INSTITUT GORNOGO DELA SIBIRSKOGO OTDELENIA AKADEMII NAUK SSSR
发明人
KARAVAEV ANDRON TROFIMOVICH;PLAVSKIKH VLADIMIR DMITRIEVICH;TERSKOV ALEXEI DANILOVICH;SUKHUSHIN ANATOLY VIKTOROVICH;CHEPURNOI NIKOLAI PROKHOROVICH;CHEREDNIKOV EVGENY NIKOLAEVICH
分类号
E21B7/26;E21B11/02;E21B17/07;(IPC1-7):E21B11/02
主分类号
E21B7/26
代理机构
代理人
主权项
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