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发明名称
Borer°r/foringsr°r - beskytter
摘要
申请公布号
NO993070(D0)
申请公布日期
1999.06.21
申请号
NO19990003070
申请日期
1999.06.21
申请人
PEGASUS INTERNATIONAL INC
发明人
GYNZ-REKOWSKI, GUNTHER VON
分类号
E21B17/10;(IPC1-7):E21B
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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