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发明名称
Gerät zur Entnahme von Erdproben aus Kulturboden
摘要
申请公布号
CH376067(A)
申请公布日期
1964.03.15
申请号
CH19600002244
申请日期
1960.02.26
申请人
HUMMER,KARL
发明人
HUMMER,KARL
分类号
E21B25/00
主分类号
E21B25/00
代理机构
代理人
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地址
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