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发明名称
Boring device and boring method
摘要
申请公布号
HK1054071(A1)
申请公布日期
2008.12.12
申请号
HK20030106372
申请日期
2003.09.08
申请人
BAUER MASCHINEN GMBH
发明人
LEONHARD WEIXLER
分类号
E21B;E21B17/05;E02D;E02D7/28;E21B3/00;E21B7/02;E21B7/12;E21B7/20;E21B10/60;E21B15/00;E21B19/18
主分类号
E21B
代理机构
代理人
主权项
地址
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