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发明名称
Ступень турбины гидравлического забойного двигателя
摘要
申请公布号
RU29084(U1)
申请公布日期
2003.04.27
申请号
RU20020123789U
申请日期
2002.09.09
申请人
Российский государственный университет нефти и газа им. И.М. Губкина;Закрытое акционерное общество "НЕГАС"
发明人
Гукасов Н.А.;Демидочкин В.В.;Жиляков А.Н.;Каледа И.А.;Потапов В.Б.;Риккер В.И.
分类号
E21B4/00;F03B13/02
主分类号
E21B4/00
代理机构
代理人
主权项
地址
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