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经营范围
发明名称
Фильтр дл скважин
摘要
申请公布号
RU31398(U1)
申请公布日期
2003.08.10
申请号
RU20030108949U
申请日期
2003.04.04
申请人
Открытое акционерное общество "Сургутнефтегаз"
发明人
分类号
E21B43/08
主分类号
E21B43/08
代理机构
代理人
主权项
地址
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