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经营范围
发明名称
SISTEMA DE SENALES ELECTROACUSTICO
摘要
申请公布号
ES320923(A3)
申请公布日期
1966.07.16
申请号
ES19230003209
申请日期
1965.12.18
申请人
EICHHOFF-WERKE, G. M. B. H.
发明人
分类号
G08B;(IPC1-7):G08B
主分类号
G08B
代理机构
代理人
主权项
地址
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