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发明名称
SMALL TYPE SOIL IMPROVING DEVICE AND SOIL IMPROVING CONSTRUCTION METHOD AND BORING ROD
摘要
申请公布号
JPH08128034(A)
申请公布日期
1996.05.21
申请号
JP19940152605
申请日期
1994.06.10
申请人
TSUKUSHI KOGYO KK
发明人
WADA MASANAO
分类号
E21B7/00;E02D3/12;E21B7/02;E21B15/00;E21B17/07;(IPC1-7):E02D3/12
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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