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发明名称
Saugvorrichtung für zahnärztliche Zwecke
摘要
申请公布号
AT165315(B)
申请公布日期
1950.02.10
申请号
ATD165315
申请日期
1946.11.27
申请人
DR. FRANZ RIEDENER
发明人
DR. FRANZ RIEDENER
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主分类号
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