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发明名称
Dispositif pour supprimer l'audition des bruits
摘要
申请公布号
FR1295320(A)
申请公布日期
1962.06.08
申请号
FR19580765978
申请日期
1958.05.20
申请人
发明人
CAMPO FILIPPONERI
分类号
A61F11/08
主分类号
A61F11/08
代理机构
代理人
主权项
地址
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