标准编号:ISO 5940:1981
中文名称:制铝用碳质材料.电极用沥青.用环和球法测定软化点
英文名称:Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of softening point by the ring-and-ball method
发布日期:1981-05
标准编号:ISO 5940:1981
中文名称:制铝用碳质材料.电极用沥青.用环和球法测定软化点
英文名称:Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of softening point by the ring-and-ball method
发布日期:1981-05