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发明名称
Установка электробурового привода долота
摘要
申请公布号
RU29553(U1)
申请公布日期
2003.05.20
申请号
RU20020131574U
申请日期
2002.11.29
申请人
Открытое акционерное общество "Российская инновационная топливно-энергетическая компания"
发明人
分类号
E21B17/02
主分类号
E21B17/02
代理机构
代理人
主权项
地址
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