Home / Standards / GB/T 12333-2025 GB/T 12333-2025 Active Metallic coatings—Electroplated coatings of copper for engineering purposes 金属覆盖层 工程用铜电镀层 Standard Type GBT ICS 25.220.40 CCS A29 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A