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A setting retarder and its application in the concretes, mortars and / or grouts
A setting retarder and its application in the concretes, mortars and / or grouts
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机译:缓凝剂及其在混凝土,砂浆和/或灌浆中的应用
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摘要
A setting retarder for hydraulic cements, characterized in that it is constituted by a cyclic aminoplast resin of formula (i) & br / (see appended drawing in bopi) & br /
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