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发明名称
Escala reversible para dibujo
摘要
申请公布号
ES59577(Y)
申请公布日期
1957.11.01
申请号
ES19770000595U
申请日期
1957.04.16
申请人
BLANCO GARCÍA, ADOLFO
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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