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发明名称
Vorrichtung zum Überlagerungs-, Ankerloch- und/oder Unterwasserbohren
摘要
申请公布号
CH482911(A)
申请公布日期
1969.12.15
申请号
CH19690003124
申请日期
1969.02.28
申请人
GEBR. BOEHLER & CO. AKTIENGESELLSCHAFT
发明人
HASEWEND,FLORIAN;HUSZAR,JOSEF;MAYERHOFER,WALTER;NEUMUELLER,JOHANN;PICHLER,HUBERT
分类号
E21B4/06;E21B6/00;E21B7/20;(IPC1-7):E21B5/00;E21B7/12
主分类号
E21B4/06
代理机构
代理人
主权项
地址
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