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发明名称
AUGER CONSTRUCTION METHOD
摘要
申请公布号
JPS58173288(A)
申请公布日期
1983.10.12
申请号
JP19820181089
申请日期
1982.10.15
申请人
MATSUZAWA HAJIME
发明人
MATSUZAWA HAJIME
分类号
E21B17/22;E02D5/46
主分类号
E21B17/22
代理机构
代理人
主权项
地址
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