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经营范围
发明名称
BOREHOLE-DRILLING APPARATUS
摘要
申请公布号
SU812907(A1)
申请公布日期
1981.03.15
申请号
SU19762378691
申请日期
1976.07.15
申请人
VNII BUROVOJ TEKHNIKI;VNII YADERNOJ GEOFIZIKI GEOKHIMII
发明人
KUZNETSOV OLEG L,SU;KRYLOV DMITRIJ A,SU;RUKAVITSYN VLADIMIR N,SU;MARABAEV NASIBKALI A,SU;LUBYANYJ DMITRIJ A,SU;SHISHIN KONSTANTIN A,SU
分类号
E21B7/00;(IPC1-7):E21B7/00
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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