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发明名称
УСТЬЕВАЯ АРМАТУРА
摘要
申请公布号
RU29087(U1)
申请公布日期
2003.04.27
申请号
RU20020124953U
申请日期
2002.09.19
申请人
Закрытое акционерное общество "Кэптив нефтемаш"
发明人
Ищер ков С.Ф.
分类号
E21B33/03;E21B34/06;(IPC1-7):E21B33/03
主分类号
E21B33/03
代理机构
代理人
主权项
地址
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