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发明名称
ИНСТРУМЕНТ ДЛЯ ПРОКАЛЫВАНИЯ ТРУБ В СКВАЖИНАХ
摘要
申请公布号
RU2003105754(A)
申请公布日期
2004.12.20
申请号
RU20030105754
申请日期
2003.02.27
申请人
ООО "Научно-производственное предпри тие "Нефтехиммаш" (RU)
发明人
Сафин Велир Ахатович (RU);Курамшин Юсуп Раст мович (RU);Гирфанов Джамиль Замилович (RU);Ермаков Олег Николаевич (RU)
分类号
E21B43/11
主分类号
E21B43/11
代理机构
代理人
主权项
地址
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