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经营范围
发明名称
Dispositif pour faciliter la dentition chez les enfants
摘要
申请公布号
FR828214(A)
申请公布日期
1938.05.12
申请号
FRD828214
申请日期
1937.10.22
申请人
发明人
ALLEN PAUL EMIL
分类号
A61H13/00
主分类号
A61H13/00
代理机构
代理人
主权项
地址
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