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发明名称
Vorrichtung zum Trockenlegen von Zähnen während ihrer Behandlung
摘要
申请公布号
CH421379(A)
申请公布日期
1966.09.30
申请号
CH19640008805
申请日期
1964.07.04
申请人
VON WEISSENFLUH,HANS,DR.
发明人
WEISSENFLUH,HANS,DR. VON
分类号
A61C5/12;A61C5/14
主分类号
A61C5/12
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代理人
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