Home / Standards / GB/T 22459.5-2008 GB/T 22459.5-2008 Abolished Refractory mortars - Part 5: Determination of grain size distribution (sieve analysis) 耐火泥浆 第5部分:粒度分布(筛分析)试验方法 Standard Type GBT ICS 81.080 CCS Q46 Status 废止 Issue Date 2008-10-30 Implementation 2009-07-01 Responsible Dept 国家标准委 Drafting Unit N/A