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发明名称
EINRICHTUNG ZUR NIEDERBRINGUNG EINES BOHRLOCHS IM BODEN
摘要
申请公布号
DE3207294(A1)
申请公布日期
1983.09.22
申请号
DE19823207294
申请日期
1982.03.01
申请人
INSTITUT GORNOGO DELA SIBIRSKOGO OTDELENIJA AKADEMII NAUK SSSR
发明人
TROFIMOVIC KARAVAEV,ANDRON;DMITRIEVIC PLAVSKICH,VLADIMIR;DANILOVIC TERSKOV,ALEKSEI;VIKTOROVIC SUCHUSHIN,ANATOLY;PROCHOROVIC CEPURNOI,NIKOLAI;NIKOLAEVIC CEREDNIKOV,EVGENIY
分类号
E21B4/06;E21B7/26;(IPC1-7):E21B19/12
主分类号
E21B4/06
代理机构
代理人
主权项
地址
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