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发明名称
CHIP BREAKER OF ULTRA-HARD BITE AND THE SET UP METHOD
摘要
申请公布号
KR0158715(B1)
申请公布日期
1999.01.15
申请号
KR19940031235
申请日期
1994.11.25
申请人
EHWA DIAMOND IND. CO., LTD.
发明人
CHOE, SUNG-KOOK;JOO, MAN-KIL
分类号
B23B27/22;(IPC1-7):B23B27/22
主分类号
B23B27/22
代理机构
代理人
主权项
地址
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