Home / Standards / GB/T 16479-2020 GB/T 16479-2020 Active Light rare earth carbonate 碳酸轻稀土 Standard Type GBT ICS 77.120.99 CCS H65 Status 现行 Issue Date 2020-11-19 Implementation 2021-10-01 Responsible Dept 国家标准委 Drafting Unit N/A