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发明名称
Conmutador para elevadores-reducctores de tensión y otras aplicaciones eléctricas
摘要
申请公布号
ES26832(U)
申请公布日期
1951.10.01
申请号
ES19320000268U
申请日期
1951.05.19
申请人
GRÁVALOS ARBIZU, HERMINIO
发明人
分类号
主分类号
代理机构
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