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发明名称
CUTTER FOR DRILL MACHINE
摘要
申请公布号
KR100195310(B1)
申请公布日期
1999.06.15
申请号
KR19950051931
申请日期
1995.12.19
申请人
JEONG, CHAN-GILL
发明人
JEONG, CHAN-GILL
分类号
E21B10/12;E21B10/20;(IPC1-7):E21B10/12
主分类号
E21B10/12
代理机构
代理人
主权项
地址
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