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发明名称
DEVICE FOR TAKING SOIL SAMPLES
摘要
申请公布号
EP0457791(B1)
申请公布日期
1993.10.06
申请号
EP19900902627
申请日期
1990.02.12
申请人
GEORG FRITZMEIER GMBH & CO.
发明人
ROEDEL, GERHARD;SCHURIG, MANFRED
分类号
E21B11/00;E21B10/02;E21B25/10;E21B49/02;G01N1/08
主分类号
E21B11/00
代理机构
代理人
主权项
地址
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