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发明名称
SOIL IMPROVEMENT WORK FOR CONSTRUCTION AND EARTH AUGER DEVICE THEREFOR
摘要
申请公布号
JPH08177365(A)
申请公布日期
1996.07.09
申请号
JP19940337922
申请日期
1994.12.26
申请人
KOI TERUO
发明人
KOI TERUO
分类号
E21B7/00;E02D3/02;E21B7/26;(IPC1-7):E21B7/00
主分类号
E21B7/00
代理机构
代理人
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