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发明名称
(U1 Y2) ;TAPA DIFUSORA PARA BOCAS DE BRAZOS-EXTINTORES PARA INCENDIOS
摘要
申请公布号
ES1014004(U1)
申请公布日期
1991.02.01
申请号
ES19900001614
申请日期
1990.05.23
申请人
发明人
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主分类号
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