Home / Standards / GB/T 11019-2021 GB/T 11019-2021 Active Nickel coated round copper wire 镀镍圆铜线 Standard Type GBT ICS 29.060.10 CCS K11 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A