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发明名称
Nedihulls verktöy
摘要
申请公布号
NO20020229(D0)
申请公布日期
2002.01.15
申请号
NO20020000229
申请日期
2002.01.15
申请人
CHURCHILL, ANDREW PHILIP
发明人
CHURCHILL, ANDREW PHILIP
分类号
E21B21/10;E21B23/00;E21B34/08;(IPC1-7):E21B
主分类号
E21B21/10
代理机构
代理人
主权项
地址
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