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发明名称
Orthodontic appliance demonstrating model
摘要
申请公布号
US2539278(A)
申请公布日期
1951.01.23
申请号
US19490090098
申请日期
1949.04.28
申请人
SCHWEHR FRANK W;OHRMUNDT MILTON E
发明人
SCHWEHR FRANK W.;OHRMUNDT MILTON E.
分类号
A61C7/00;G09B23/28
主分类号
A61C7/00
代理机构
代理人
主权项
地址
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