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发明名称
PERFECCIONAMIENTOS EN ARCHIVADORES DE HOJAS CAMBIABLES
摘要
申请公布号
ES248916(A1)
申请公布日期
1959.12.01
申请号
ES19160002489
申请日期
1959.04.11
申请人
WILSON-JANES COMPANY
发明人
分类号
B42F13/02;(IPC1-7):B42F13/02
主分类号
B42F13/02
代理机构
代理人
主权项
地址
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