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发明名称
EARTH AUGER
摘要
申请公布号
JPS5961690(A)
申请公布日期
1984.04.07
申请号
JP19820170466
申请日期
1982.09.28
申请人
SHINOHARA TOMOYOSHI
发明人
SHINOHARA TOMOYOSHI
分类号
E21B10/44
主分类号
E21B10/44
代理机构
代理人
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