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经营范围
发明名称
UN ESPECIADOR MECáNICO PARA DIBUJO
摘要
申请公布号
ES187948(A3)
申请公布日期
1949.07.16
申请号
ES19480001879
申请日期
1949.05.07
申请人
LABORATORIO Y TALLER DE INVESTIGACIONES DEL ESTADO MAYOR DE LA ARMADA
发明人
分类号
(IPC1-7):B43
主分类号
(IPC1-7):B43
代理机构
代理人
主权项
地址
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