GB/T 219-2008
煤灰熔融性的测定方法
Determination of fusibility of coal ash
2008-07-29
JJF(陕) 047-2020
煤灰熔融性测定仪校准规范
2020-11-16
GB/T 31427-2015
煤灰熔融性测定仪技术条件
Specification for determinator of coal ash fusibility
2015-05-15
GB/T 37769-2019
煤灰熔融性测定仪性能验收导则
Guide for performance acceptance of determinator of coal ash fusibility
2019-06-04