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发明名称
PERFECCIONAMIENTOS INTRODUCIDOS EN LOS FICHEROS ROTATIVOS.
摘要
申请公布号
ES175565(Y)
申请公布日期
1973.01.16
申请号
ES19710175565U
申请日期
1971.12.21
申请人
DE LEGUINA;VILLA
发明人
分类号
B42F
主分类号
B42F
代理机构
代理人
主权项
地址
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