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发明名称
A FOUNDATION AN EXCAVATOR ADHESION AIR HAMMER AND ITS INJECTING METHOD OF CONCRETE
摘要
申请公布号
KR20050075325(A)
申请公布日期
2005.07.20
申请号
KR20050056864
申请日期
2005.06.29
申请人
CHUNGSUK DEVELOPMENT CO., LTD.
发明人
GU, YOUNG HOI;KWEN, SOON CHAN
分类号
E21B10/36;(IPC1-7):E21B10/36
主分类号
E21B10/36
代理机构
代理人
主权项
地址
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