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发明名称
PERFECCIONAMIENTOS INTRODUCIDOS EN LOS SISTEMAS DE ARCHIVO DE PLANOS
摘要
申请公布号
ES291881(A3)
申请公布日期
1963.11.16
申请号
ES19810002918
申请日期
1963.09.21
申请人
CELAYA GUTIERREZ, JULIAN
发明人
分类号
A45F;A47B;B42F;(IPC1-7):A45F
主分类号
A45F
代理机构
代理人
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地址
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