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发明名称
SOND FOER INFOERING I BORRHAOL FOER PAOVISANDE AV MALMFOEREKOMSTER.
摘要
申请公布号
FI82557(C)
申请公布日期
1991.03.11
申请号
FI19840001388
申请日期
1984.04.09
申请人
PREUSSAG AKTIENGESELLSCHAFT METALL,
发明人
JANSSEN,KLAUS;WINNACKER,HELMUT;JOHNEN,KLAUS
分类号
E21B47/00;G01V5/04;G01V5/12;G01V5/14;(IPC1-7):G01V5/08
主分类号
E21B47/00
代理机构
代理人
主权项
地址
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