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发明名称
Handbohrgerät zur Entnahme von Bodenproben
摘要
申请公布号
AT313186(B)
申请公布日期
1974.02.11
申请号
AT19720007500
申请日期
1972.08.31
申请人
DIPL.ING.DR. OTHMAR NESTROY
发明人
分类号
E21B10/02;E21B11/00;E21B25/00;(IPC1-7):E02D1/00
主分类号
E21B10/02
代理机构
代理人
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地址
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