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发明名称
Ultraschall-Bohrvorrichtung
摘要
申请公布号
CH317376(A)
申请公布日期
1956.11.30
申请号
CHD317376
申请日期
1953.12.04
申请人
GESELLSCHAFT ZUR FOERDERUNG DER FORSCHUNG AN DER EIDG. TECHN. HOCHSCHULE
发明人
HELD,FRITZ;ENZ,ULRICH,DIPL.-PHYSIKER
分类号
B23B37/00;B24B1/04;G04D3/00
主分类号
B23B37/00
代理机构
代理人
主权项
地址
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