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发明名称
SCHRAEMWERKZEUG FUER INSBESONDERE STRECKENVORTRIEBSMASCHINEN
摘要
申请公布号
DE3436762(A1)
申请公布日期
1986.04.10
申请号
DE19843436762
申请日期
1984.10.06
申请人
BOART HWF GMBH & CO KG HARTMETALLWERKZEUGFABRIK
发明人
WETZCHEWALD,KARL-HEINZ;DICHTL,RUDOLF,ING.
分类号
E21B21/00;E21C35/187;E21C35/22;(IPC1-7):E21D9/08
主分类号
E21B21/00
代理机构
代理人
主权项
地址
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