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发明名称
Gráfico para la representación en diagramas de operaciones de contabilidad o de economía.
摘要
申请公布号
ES16773(Y)
申请公布日期
1948.12.01
申请号
ES19730000167U
申请日期
1948.02.13
申请人
VALL PORQUERAS, FRANCISCO
发明人
分类号
主分类号
代理机构
代理人
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