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发明名称
SCHNEIDROLLE FUER ERWEITERUNGSROLLENMEISZEL UND ANDERE VORRICHTUNGEN ZUM ABTRAGEN VON GESTEIN
摘要
申请公布号
AT281727(B)
申请公布日期
1970.05.25
申请号
AT19680005437
申请日期
1968.06.07
申请人
J C SOEDING & HALBACH KG
发明人
分类号
E21B10/16;E21B10/52
主分类号
E21B10/16
代理机构
代理人
主权项
地址
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