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发明名称
DEVICE FOR MAKING WELLS IN THE GROUND
摘要
申请公布号
AU1982688(A)
申请公布日期
1989.08.25
申请号
AU19880019826
申请日期
1988.02.03
申请人
INSTITUT GORNOGO DELA SIBIRSKOGO OTDELENIA AKADEMII NAUK SSSR
发明人
NIKOLAI DMITRIEVICH SYRYAMIN;VLADIMIR PAVLOVICH GILETA;VLADIMIR ALEXANDROVICH GRIGORASCHENKO;JURY BORISOVICH REIFISOV;EVGENY PAVLOVICH RUSIN
分类号
(IPC1-7):E21C3/24
主分类号
(IPC1-7):E21C3/24
代理机构
代理人
主权项
地址
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