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发明名称
Cure-oreilles perfectionné
摘要
申请公布号
FR1016807(A)
申请公布日期
1952.11.24
申请号
FRD1016807
申请日期
1950.04.27
申请人
发明人
MICHERON ETIENNE
分类号
A61F11/00
主分类号
A61F11/00
代理机构
代理人
主权项
地址
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