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发明名称
ТРУБНАЯ ГОЛОВКА ДЛЯ УСТЬЯ СКВАЖИН
摘要
申请公布号
RU19865(U1)
申请公布日期
2001.10.10
申请号
RU20010106701U
申请日期
2001.03.13
申请人
Открытое акционерное общество завод "Нефтепроммаш"
发明人
Мильчаков В.Г.
分类号
E21B33/03
主分类号
E21B33/03
代理机构
代理人
主权项
地址
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