Home / Standards / GB/T 4513.5-2017 GB/T 4513.5-2017 Active Monolithic (unshaped) refractory products—Part5: Preparation and treatment of test pieces 不定形耐火材料 第5部分:试样制备和预处理 Standard Type GBT ICS 81.080 CCS Q40 Status 现行 Issue Date 2017-10-14 Implementation 2018-09-01 Responsible Dept 国家标准委 Drafting Unit N/A