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发明名称
(U1 Y2) ;CAJA ACUSTICA PARA TRANSDUCCION DE SONIDO
摘要
申请公布号
ES1008181(U1)
申请公布日期
1989.03.16
申请号
ES19880003269
申请日期
1988.11.07
申请人
发明人
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主分类号
代理机构
代理人
主权项
地址
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