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发明名称
ПОРОДОРАЗРУШАЮЩИЙ ИНСТРУМЕНТ ДЛЯ ВРАЩАТЕЛЬНОГО БУРЕНИЯ
摘要
申请公布号
RU39160(U1)
申请公布日期
2004.07.20
申请号
RU20030135033U
申请日期
2003.12.05
申请人
Закрытое акционерное общество "Царскосельский завод - София" (RU)
发明人
Найвальт И.А. (RU);Рогач В.И. (RU);Зверев Г.Л. (RU);Васильев Н.Г. (RU);Василевский А.М. (RU);Полишко Г.Ю. (RU);Денисов М.И. (RU);Цепенок В.И. (RU)
分类号
E21B10/48
主分类号
E21B10/48
代理机构
代理人
主权项
地址
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