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发明名称
Nuevo dispositivo para la presentación de papel de escribir y sobres.
摘要
申请公布号
ES119(U)
申请公布日期
1930.07.16
申请号
ES19190000001U
申请日期
1930.05.22
申请人
BALASCH, JUAN
发明人
分类号
主分类号
代理机构
代理人
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