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发明名称
Fremgangsmate for installasjon av stigeror, samt stigeror
摘要
申请公布号
NO20041910(D0)
申请公布日期
2004.05.10
申请号
NO20040001910
申请日期
2004.05.10
申请人
ROCKWATER LTD
发明人
CLAUSEN TERJE
分类号
E21B17/01;(IPC1-7):E21B
主分类号
E21B17/01
代理机构
代理人
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地址
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