GB/T 6580-1997.Glass-Resistance to attack by a boiling aqueous solution of mixed alkali- Method of t...
GB国家标准
GB国家标准
GB国家标准
GB/T 6580-2021 玻璃耐沸腾混合碱水溶液侵蚀性试验方法和分级
GB/T 6580-2021.Glass-Resistance to attack by a boiling aqueous solution of mixed alkali-Method of te...