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发明名称
REJILLA DE VENTILACION PERFECCIONADA.
摘要
申请公布号
ES219055(Y)
申请公布日期
1977.04.16
申请号
ES19550002190U
申请日期
1976.02.24
申请人
发明人
分类号
E06B;(IPC1-7):06B/
主分类号
E06B
代理机构
代理人
主权项
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