标准号:KS M ISO 21687-2016
英文标准名称:Carbonaceous materials used in the production of aluminium-Determination of density by gas pyknometry (volumetric) using helium as the analysis gas-Solid materials
发布日期:2016/12/29 12:00:00
实施日期:1999/12/31 12:00:00
国际标准分类号:71.100.10