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发明名称
Improvements in or relating to dental units
摘要
申请公布号
GB361234(A)
申请公布日期
1931.11.19
申请号
GB19310007517
申请日期
1931.03.11
申请人
THE RITTER DENTAL MANUFACTURING COMPANY
发明人
分类号
A61G15/16
主分类号
A61G15/16
代理机构
代理人
主权项
地址
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