Home / Standards / GB/T 39156-2020 GB/T 39156-2020 Active Technical requirements and test methods for large format ceramic slab 大规格陶瓷板技术要求及试验方法 Standard Type GBT ICS 91.100.25 CCS Q31 Status 现行 Issue Date 2020-11-19 Implementation 2021-10-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A