Home / Standards / GB/T 33957-2017 GB/T 33957-2017 Active Methods of determination and calculation of heat balance in heat treatment furnace 热处理炉热平衡测试与计算方法 Standard Type GBT ICS 77 CCS H04 Status 现行 Issue Date 2017-07-12 Implementation 2018-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A