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发明名称
Aparato para vehículos productor de sonido para señales acústicas de tráfico terrestre
摘要
申请公布号
ES45832(U)
申请公布日期
1955.03.01
申请号
ES19320000458U
申请日期
1955.01.11
申请人
PITARCH PECHUÁN, ROBERTO
发明人
分类号
主分类号
代理机构
代理人
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