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发明名称
摘要
申请公布号
DE4009993(C2)
申请公布日期
1993.08.26
申请号
DE19904009993
申请日期
1990.03.28
申请人
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV, 8000 MUENCHEN, DE
发明人
STEINHANSES, WOLFGANG, 5940 LENNESTADT, DE;KOERDEL, WERNER, DR., 5948 SCHMALLENBERG, DE
分类号
E21B25/00;G01N1/06
主分类号
E21B25/00
代理机构
代理人
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地址
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