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发明名称
ORTHODONTIC APPLIANCE AND METHOD
摘要
申请公布号
US3452436(A)
申请公布日期
1969.07.01
申请号
USD3452436
申请日期
1967.02.02
申请人
IRVIN S. DE WOSKIN
发明人
IRVIN S. DE WOSKIN
分类号
A61C7/12;(IPC1-7):A61C3/00;A61C7/00
主分类号
A61C7/12
代理机构
代理人
主权项
地址
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