Home / Standards / GB/T 26301-2021 GB/T 26301-2021 Active Copper-nickel-zinc alloy strips and foils for shield 屏蔽用锌白铜带箔材 Standard Type GBT ICS 77.150.30 CCS H62 Status 现行 Issue Date 2021-12-31 Implementation 2022-07-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A