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发明名称
Dental retainer for matrix strips
摘要
申请公布号
US2572198(A)
申请公布日期
1951.10.23
申请号
US19500173259
申请日期
1950.07.12
申请人
DAVID REITER
发明人
REITER DAVID
分类号
A61C5/12
主分类号
A61C5/12
代理机构
代理人
主权项
地址
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