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发明名称
(U1 Y2) ;DISPOSITIVA DE EMPALMEN PARA DERIVACIONES EN CONDUCTOS DE AIRE ACONDICIONADO, EXTRACCION Y VENTILACION
摘要
申请公布号
ES1020832(U1)
申请公布日期
1992.08.16
申请号
ES19920000999
申请日期
1992.03.30
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发明人
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