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发明名称
Tabla para enseñanza de las reglas fundamentales
摘要
申请公布号
ES28494(U)
申请公布日期
1951.12.01
申请号
ES19940000284U
申请日期
1951.10.25
申请人
ANDRÉS MARTÍN, ESTEBAN DE
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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