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发明名称
Boreapparat
摘要
申请公布号
NO20030562(D0)
申请公布日期
2003.02.04
申请号
NO20030000562
申请日期
2003.02.04
申请人
ANDERGAUGE LTD
发明人
EDDISON, ALAN MARTYN
分类号
E21B4/14;E21B6/04;E21B10/26;E21B10/40;(IPC1-7):E21B
主分类号
E21B4/14
代理机构
代理人
主权项
地址
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