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经营范围
发明名称
APERFEICOAMENTO EM SUPORTE DE FONE DE OUVIDO
摘要
申请公布号
BR8204744(A)
申请公布日期
1984.03.20
申请号
BR19820004744
申请日期
1982.08.12
申请人
AGENA INDUSTRIA ELETRONICA LTDA.
发明人
WALTER CONTE
分类号
H04R5/033;(IPC1-7):H04R5/033
主分类号
H04R5/033
代理机构
代理人
主权项
地址
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