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发明名称
Vorrichtung zum Lösen von mittels Einsteckkonus auf Bohrstangen befestigten Bohrkronen
摘要
申请公布号
AT168716(B)
申请公布日期
1951.07.25
申请号
ATD168716
申请日期
1950.03.13
申请人
GEBR. BOEHLER & CO. AKTIENGESELLSCHAFT
发明人
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主分类号
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