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发明名称
Sanitary and safe baby teething device
摘要
申请公布号
US2595462(A)
申请公布日期
1952.05.06
申请号
US19500177897
申请日期
1950.08.05
申请人
JOHNSON ANNA B
发明人
JOHNSON ANNA B.
分类号
A61J17/02
主分类号
A61J17/02
代理机构
代理人
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