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发明名称
DISPOSITIVO PERFECCIONADO PARA APRENDER A DIBUJAR.
摘要
申请公布号
ES153768(Y)
申请公布日期
1970.10.01
申请号
ES19690153768U
申请日期
1969.11.26
申请人
EDICIONES TORAY, S. A.
发明人
分类号
A63H
主分类号
A63H
代理机构
代理人
主权项
地址
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