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Nippon Chemical Industrial Co Ltd
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Nippon Chemical Industrial Co Ltd
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Application filed by Nippon Chemical Industrial Co LtdfiledCriticalNippon Chemical Industrial Co Ltd
Priority to JP20688881ApriorityCriticalpatent/JPS58109583A/ja
Publication of JPS58109583ApublicationCriticalpatent/JPS58109583A/ja
Publication of JPS6113514B2publicationCriticalpatent/JPS6113514B2/ja
Method ensuring relatively long time of cement mixture settling down and subsequent quick settling down reduction, additive for this method as well as use of such additive