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发明名称
DRILL TOOL
摘要
申请公布号
KR960008760(Y1)
申请公布日期
1996.10.09
申请号
KR19940006745U
申请日期
1994.03.31
申请人
BAE, KWAN-SOO
发明人
BAE, KWAN-SOO
分类号
E21B3/00;(IPC1-7):E21B3/00
主分类号
E21B3/00
代理机构
代理人
主权项
地址
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