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...Gettingtheinventionpatentauthorization:"Abigcurrent,lowcontractionultra-high-performanceconcreteanditspreparationmethod"Starnews,accordingtotheTianyancheckappdata,showingthatHuaxinCement(600801)newlyobtainedainventionpatentforinventionpatentAuthorized,thepatentiscalled"alarge-currentandlow-shrinkingultra-high-performanceconcreteanditspreparationmethod".ThepatentapplicationnumberisCN202310772306.8,andtheauthorizationdateisJanuary28,2025. PatentAbstract：thePresentIniventionDisclosealArgeCurrentlow-Contractionultra-performanceConcrete.AccordingTotheeightCalculation，包括...

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