简介:Recently,StateIntellectualPropertyOfficeofChinaauthorizedaninventionpatenttoaproject'SelfflowingCastablesforFillingBackJointsofAluminumElectrolyticCellSideWall'ofSinosteelRefractoryCo.,Ltd.Thispatentinvolvesonekindofself-flowingcastablesforfillingthejointsbetweenshellandsidewall
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