Home / Standards / GB/T 28195-2011 GB/T 28195-2011 Active Determination of softening point for glass 玻璃软化点测试方法 Standard Type GBT ICS 81.040.01 CCS N64 Status 现行 Issue Date 2011-12-30 Implementation 2012-09-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会