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发明名称
DEVICE FOR GUIDING CENTER OF DRILL BIT OF TAP HOLE OPENER
摘要
申请公布号
KR200181283(Y1)
申请公布日期
2000.05.15
申请号
KR19990027175U
申请日期
1999.12.06
申请人
POHANG IRON & STEEL CO.,LTD.
发明人
JOUN, JONG KUK;LEE, CHAN HYO;KIM, JAE SIK
分类号
C21B7/12;(IPC1-7):C21B7/12
主分类号
C21B7/12
代理机构
代理人
主权项
地址
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