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发明名称
Verfahren zur Herstellung von feinkörnigem Schleifmaterial zum Bearbeiten von Zähnen im Munde.
摘要
申请公布号
CH293290(A)
申请公布日期
1953.09.15
申请号
CHD293290
申请日期
1950.08.25
申请人
RITTER COMPANY, INC.
发明人
INC. RITTER COMPANY,
分类号
A61C3/06
主分类号
A61C3/06
代理机构
代理人
主权项
地址
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