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发明名称
EXCAVATING JIG FOR SUNK WELL
摘要
申请公布号
JPH10331567(A)
申请公布日期
1998.12.15
申请号
JP19970146891
申请日期
1997.06.04
申请人
TOTSUKURI:KK
发明人
KAWAKAMI KAZUO
分类号
E02D23/08;E21D1/08;E21D5/04;(IPC1-7):E21D1/08
主分类号
E02D23/08
代理机构
代理人
主权项
地址
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