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发明名称
Zahnreiniger
摘要
申请公布号
DE522909(C)
申请公布日期
1931.04.16
申请号
DED522909D
申请日期
申请人
ARTHUR LANGE
发明人
分类号
A61C15/04
主分类号
A61C15/04
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代理人
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地址
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