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发明名称
PROTETTORE IGIENICO DELL'ORECCHIO DURANTE L'USO DEL TELEFONO ASSOCIATO A RISPETTIVO DISTRIBUTORE CON L'APPARECCHIO TELEFONICO.
摘要
申请公布号
IT218581(Z2)
申请公布日期
1992.06.23
申请号
IT19870060441U
申请日期
1987.09.21
申请人
RICCIARDI LUIGI
发明人
分类号
A61H;(IPC1-7):A61H/
主分类号
A61H
代理机构
代理人
主权项
地址
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