Home / Standards / GB/T 13523-2024 GB/T 13523-2024 Active Copper red glaze porcelain 铜红釉瓷器 Standard Type GBT ICS 81.060.20 CCS Y24 Status 现行 Issue Date 2024-11-28 Implementation 2025-06-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A