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发明名称
УСТРОЙСТВО ДЛЯ НАГРЕВА ТРУБ И АРМАТУРЫ НА УСТЬЕ СКВАЖИНЫ
摘要
申请公布号
RU24853(U1)
申请公布日期
2002.08.27
申请号
RU20010106892U
申请日期
2001.03.13
申请人
ОАО "Сибнефть-Но брьскнефтегазгеофизика";Пасечник Михаил Петрович;Резванов Сарвар Тагирович;Молчанов Евгений Петрович;Кор ков Анатолий Степанович
发明人
分类号
E21B36/00;E21B37/00
主分类号
E21B36/00
代理机构
代理人
主权项
地址
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