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发明名称
Innretning for krysskopling av stigerör
摘要
申请公布号
NO314889(B1)
申请公布日期
2003.06.10
申请号
NO20010000850
申请日期
2001.02.19
申请人
FRAMO ENGINEERING AS
发明人
ERSTAD, JOSTEIN
分类号
B63B;B63B22/26;E21B;(IPC1-7):B63B22/26
主分类号
B63B
代理机构
代理人
主权项
地址
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