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发明名称
Perfeccionamientos en plumas estilográficas y similares
摘要
申请公布号
ES14712(U)
申请公布日期
1948.02.16
申请号
ES19120000147U
申请日期
1946.10.14
申请人
DE PLAFF Y DE CLARASSÓ, ENRIQUE
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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