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发明名称
Dental matrix band
摘要
申请公布号
US2248532(A)
申请公布日期
1941.07.08
申请号
US19400329792
申请日期
1940.04.15
申请人
HOFFMANN ANTHONY F;DETTMANN HERMAN J
发明人
HOFFMANN ANTHONY F.;DETTMANN HERMAN J.
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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