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发明名称
POSITION CONTROL DEVICE FOR PILE ERECTING HOLE DIGGING AUGER
摘要
申请公布号
JPH07324584(A)
申请公布日期
1995.12.12
申请号
JP19940141083
申请日期
1994.05.31
申请人
KUBOTA CORP
发明人
HAYASHI MASAKAZU
分类号
E21B7/00;E02D13/06;E21B17/00;E21B44/00;E21B44/02;E21B47/024;(IPC1-7):E21B44/00
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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