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发明名称
摘要
申请公布号
CH679509(A5)
申请公布日期
1992.02.28
申请号
CH19890003630
申请日期
1989.10.04
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA GMBH
发明人
STUCKMANN, DIETER;ORLOWSKI, THOMAS
分类号
E21D9/00
主分类号
E21D9/00
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