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发明名称
Vorrichtung zum Schutze von Nase und Gesicht des Patienten bei Zahnbehandlung
摘要
申请公布号
CH320121(A)
申请公布日期
1957.03.15
申请号
CHD320121
申请日期
1956.06.28
申请人
HOHLFELD,ROLAND A.,DR.
发明人
A.,DR. HOHLFELD,ROLAND
分类号
A61C5/14
主分类号
A61C5/14
代理机构
代理人
主权项
地址
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