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发明名称
Innretning for ekspandering av rör
摘要
申请公布号
NO20022511(A)
申请公布日期
2002.07.25
申请号
NO20020002511
申请日期
2002.05.28
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV
发明人
HEIJNEN, WILHELMUS HUBERTUS PAULUS MARIA
分类号
C21D7/12;E21B29/10;E21B43/10;(IPC1-7):E21B29/10
主分类号
C21D7/12
代理机构
代理人
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