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经营范围
发明名称
Una nueva pizarra escolar
摘要
申请公布号
ES62278(U)
申请公布日期
1957.12.01
申请号
ES19570062278U
申请日期
1957.10.04
申请人
VILLAR Y HENRIQUES S.L
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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