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发明名称
PERFECCIONAMIENTOS EN PLUMAS ESTILOGRáFICAS CON AMPOLLAS DE TINTA AMOVIBLES
摘要
申请公布号
ES143971(A1)
申请公布日期
1938.01.01
申请号
ES19710001439
申请日期
1937.11.27
申请人
SOCIETE ANONYME DES ETABLISSEMENTS EDAC
发明人
分类号
(IPC1-7):B43
主分类号
(IPC1-7):B43
代理机构
代理人
主权项
地址
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