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经营范围
发明名称
DRILLING RIG
摘要
申请公布号
SU641056(A1)
申请公布日期
1979.01.05
申请号
SU19752155261
申请日期
1975.07.15
申请人
SP K BYURO N-PROIZV OBEDINENIYA "GEOTEKHNIKA"
发明人
AKSLER VALERIJ VLADIMIROVICH,SU;VILENSKIJ LYUDVIG SOLOMONOVICH,SU;KOVRIGIN VLADIMIR FEDOROVICH,SU;RAZORENOV VYACHESLAV ALEKSEEVICH,SU
分类号
E21B1/04;(IPC1-7):E21B1/04
主分类号
E21B1/04
代理机构
代理人
主权项
地址
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