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发明名称
MEJORAS EN LA CONSTRUCCIËN DE APARATOS AVISADORES ACUSTICOS
摘要
申请公布号
ES268593(A3)
申请公布日期
1961.12.01
申请号
ES19930002685
申请日期
1961.06.24
申请人
ONIEVA ARIZA, JUAN
发明人
分类号
G08B;(IPC1-7):G08B
主分类号
G08B
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代理人
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