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经营范围
发明名称
BUSH FOR HYDRAULIC BREAKER
摘要
申请公布号
KR200444960(Y1)
申请公布日期
2009.05.19
申请号
KR20070018363U
申请日期
2007.11.14
申请人
发明人
分类号
E21B4/14;E21B12/00
主分类号
E21B4/14
代理机构
代理人
主权项
地址
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