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发明名称
SCHLAGBOHRKRONE FUER GESTEINSBOHRMASCHINEN.
摘要
申请公布号
AT67557(T)
申请公布日期
1991.10.15
申请号
AT19860103129T
申请日期
1986.03.08
申请人
TREITZ, SIEGFRIED
发明人
TREITZ, SIEGFRIED
分类号
E21B10/36;E21B;E21B10/00;E21B10/38;E21B10/56;(IPC1-7):E21B10/56
主分类号
E21B10/36
代理机构
代理人
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地址
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