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发明名称
Dental appliance
摘要
申请公布号
US2571856(A)
申请公布日期
1951.10.16
申请号
US19490099247
申请日期
1949.06.15
申请人
HYMAN FREEDMAN
发明人
FREEDMAN HYMAN
分类号
A61C17/02;A61C17/06;A61C17/08;A61M31/00
主分类号
A61C17/02
代理机构
代理人
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地址
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