Home / Standards / GB/T 16763-2023 GB/T 16763-2023 Active Classification of shaped insulating refractory products 定形隔热耐火制品分类 Standard Type GBT ICS 81.080 CCS Q45 Status 现行 Issue Date 2023-12-28 Implementation 2024-07-01 Responsible Dept 国家标准委 Drafting Unit N/A