Home / Standards / GB/T 6516-2025 GB/T 6516-2025 Active Electrolytic nickel 电解镍 Standard Type GBT ICS 77.150.40 CCS H62 Status 现行 Issue Date 2025-03-28 Implementation 2025-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A