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经营范围
发明名称
DRILLING RIG HYDRAULIC SYSTEM
摘要
申请公布号
SU794175(A1)
申请公布日期
1981.01.07
申请号
SU19752199399
申请日期
1975.12.15
申请人
VNII METODIKI TEKHNIKI RAZVEDKI
发明人
USHAKOV ANATOLIJ M,SU;SADYKOV AZIB A,SU;GALIOPA ANATOLIJ A,SU;DAEV BORIS G,SU
分类号
E21B19/00;(IPC1-7):E21B19/00
主分类号
E21B19/00
代理机构
代理人
主权项
地址
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