发明名称 PROCESSO PARA A PREPARACAO DE MISTURAS A BASE DE CIMENTO APERFEICOADAS
摘要 <p>The fluidizing or water-retention effect of plasticizers and superplasticizers in cement is increased when the cement has been treated with water before the mixing step, so that it retains from 0.1 to 10% by weight of water.</p>
申请公布号 PT83691(B) 申请公布日期 1989.06.30
申请号 PT19860083691 申请日期 1986.11.06
申请人 SANDOZ SA. 发明人 STEFANO BIAGINI;MARIO COLLEPARDI
分类号 B28C7/12;C04B7/02;C04B7/32;C04B7/51;C04B20/10;C04B28/02;(IPC1-7):C04B7/345 主分类号 B28C7/12
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