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发明名称
Dental matrix adapting and tooth separating device
摘要
申请公布号
US2891313(A)
申请公布日期
1959.06.23
申请号
US19550522973
申请日期
1955.07.19
申请人
CROWLEY CAROLYN E
发明人
CROWLEY CAROLYN E.
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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