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发明名称
AIR HAMMER
摘要
申请公布号
KR200153430(Y1)
申请公布日期
1999.08.02
申请号
KR19960040227U
申请日期
1996.11.15
申请人
YU, IN SEOP
发明人
YU, IN SEOP
分类号
E21B11/00
主分类号
E21B11/00
代理机构
代理人
主权项
地址
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