Home / Standards / GB/T 25951-2023 GB/T 25951-2023 Active Nickel and nickel alloys—Terms and definitions 镍及镍合金 术语和定义 Standard Type GBT ICS 77.120.40 CCS H62 Status 现行 Issue Date 2023-05-23 Implementation 2023-12-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A