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发明名称
(U1 Y2) ;DEPRESOR DE DOBLE MEMBRANA PERFECCIONADO
摘要
申请公布号
ES1008833(U1)
申请公布日期
1989.06.01
申请号
ES19890000133
申请日期
1989.01.18
申请人
发明人
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主分类号
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