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经营范围
发明名称
Hydraulic Breaker with Idle Blow Preventing Function
摘要
申请公布号
KR101446223(B1)
申请公布日期
2014.10.02
申请号
KR20130023202
申请日期
2013.03.05
申请人
发明人
分类号
E21B1/24;E21B1/36
主分类号
E21B1/24
代理机构
代理人
主权项
地址
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