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发明名称
Complex semi shield machine for removing slime
摘要
申请公布号
KR100906919(B1)
申请公布日期
2009.07.08
申请号
KR20080101470
申请日期
2008.10.16
申请人
发明人
分类号
E21B10/00;E21B21/12
主分类号
E21B10/00
代理机构
代理人
主权项
地址
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