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发明名称
PERFECCIONAMIENTOS EN LA CONSTRUCCION DE TABLEROS DE DIBUJO
摘要
申请公布号
ES177894(A1)
申请公布日期
1947.06.16
申请号
ES19940001778
申请日期
1947.05.03
申请人
MIROL, PAUL CHARLES
发明人
分类号
(IPC1-7):A47
主分类号
(IPC1-7):A47
代理机构
代理人
主权项
地址
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