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发明名称
Retainer for dental bands
摘要
申请公布号
US2686970(A)
申请公布日期
1954.08.24
申请号
US19530355257
申请日期
1953.05.15
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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