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发明名称
Regla de dibujo, perfeccionada, para el trazado de paralelas
摘要
申请公布号
ES39626(Y)
申请公布日期
1954.06.01
申请号
ES19260000396U
申请日期
1953.12.19
申请人
MATAMALA TEIXIDOR, FÉLIX
发明人
分类号
主分类号
代理机构
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