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发明名称
A ROTATING UNIT AND A DRILL BIT RE-SHARPENING APPARATUS USING THEREOF
摘要
申请公布号
KR20110101747(A)
申请公布日期
2011.09.16
申请号
KR20100020975
申请日期
2010.03.09
申请人
KWAN EUM PRECISION CO., LTD.;SUNG WOO TECHRON CO., LTD.
发明人
KANG, EUN SIK;JUNG, JAE WON;KIM, YOUNG JAE;KANG, DO GYU;YU, JI YOUNG;KIM, DONG WK
分类号
B24B3/24;B24B3/28;B24B41/06;B24B51/00
主分类号
B24B3/24
代理机构
代理人
主权项
地址
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