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经营范围
发明名称
KNOPFFOERMIGER HARTMATERIALEINSATZ FUER BOHRMEISSEL.
摘要
申请公布号
AT15249(T)
申请公布日期
1985.09.15
申请号
AT19820402381T
申请日期
1982.12.24
申请人
STENUICK FRERES S.A.
发明人
TECHY, MARCEL
分类号
E21B10/52;E21B10/56;E21B10/62;(IPC1-7):E21B10/56
主分类号
E21B10/52
代理机构
代理人
主权项
地址
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