Home / Standards / GB/T 5989-2008 GB/T 5989-2008 Abolished Refractory products - Determination of refractoriness-under-load - Differential method with rising temperature 耐火材料 荷重软化温度试验方法 示差升温法 Standard Type GBT ICS 81.080 CCS Q40 Status 废止 Issue Date 2008-06-03 Implementation 2008-12-01 Responsible Dept 国家标准委 Drafting Unit N/A