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发明名称
EXCAVATED SOIL ACCOMPANYING TURN PREVENTIVE DEVICE FOR AUGER MACHINE
摘要
申请公布号
JPH09125857(A)
申请公布日期
1997.05.13
申请号
JP19950303927
申请日期
1995.10.27
申请人
OZAWA HIDEO
发明人
OZAWA HIDEO
分类号
E21B7/00;E02D3/12;E21B17/10;(IPC1-7):E21B17/10
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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