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发明名称
Anordning til bruk ved sandpakking av sandfilter
摘要
申请公布号
NO993190(D0)
申请公布日期
1999.06.25
申请号
NO19990003190
申请日期
1999.06.25
申请人
RESLINK AS
发明人
KVERNSTUEN, OLE SV.;ROALDSNES, KJARTAN;SKORVE, HELGE
分类号
E21B;(IPC1-7):E21B
主分类号
E21B
代理机构
代理人
主权项
地址
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