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发明名称
Thumb-sucking preventer
摘要
申请公布号
US1772601(A)
申请公布日期
1930.08.12
申请号
US19290330509
申请日期
1929.01.05
申请人
DUNHAM BERMAN S
发明人
DUNHAM BERMAN S.
分类号
A61F5/50
主分类号
A61F5/50
代理机构
代理人
主权项
地址
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