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经营范围
发明名称
Orthodontic brackets
摘要
申请公布号
US3052028(A)
申请公布日期
1962.09.04
申请号
US19600058779
申请日期
1960.09.27
申请人
MELVIN WALLSHEIN
发明人
WALLSHEIN MELVIN
分类号
A61C7/30
主分类号
A61C7/30
代理机构
代理人
主权项
地址
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