Home / Standards / GB/T 43104-2023 GB/T 43104-2023 Active Carbon based films—Classification and designations 碳基薄膜 分类及命名 Standard Type GBT ICS 25.220.99 CCS A29 Status 现行 Issue Date 2023-09-07 Implementation 2024-04-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A