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经营范围
发明名称
Teething ring
摘要
申请公布号
US2514844(A)
申请公布日期
1950.07.11
申请号
US19490108539
申请日期
1949.08.04
申请人
ESTHER COHEN
发明人
COHEN ESTHER
分类号
A61J17/02
主分类号
A61J17/02
代理机构
代理人
主权项
地址
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