Home / Standards / GB/T 13522-2024 GB/T 13522-2024 Active Bone china 骨质瓷器 Standard Type GBT ICS 81.060.20 CCS Y24 Status 现行 Issue Date 2024-12-31 Implementation 2025-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A