发明名称 PROCESS AND ADJUVANT FOR THE MANUFACTURE OF CEMENT, MORTAR AND CONCRETE
摘要 <p>Mortar or concrete containing as a binding agent a hydraulic cement contains or is being admixed with 0,1-2,0 % of an alkylated lignin derivative as a water reducing agent. </p>
申请公布号 WO1984001943(A1) 申请公布日期 1984.05.24
申请号 NO1983000046 申请日期 1983.11.02
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