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发明名称
SLIME SUCTION TYPE HAMMER OF AUGER DRILL MACHINE
摘要
申请公布号
KR200143905(Y1)
申请公布日期
1999.06.15
申请号
KR19960068569U
申请日期
1996.12.31
申请人
KUKJE DIAMOND IND. CO., LTD.
发明人
KIM, JEONG-HWAN
分类号
E21B3/02;(IPC1-7):E21B3/02
主分类号
E21B3/02
代理机构
代理人
主权项
地址
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