Home / Standards / GB/T 29057-2023 GB/T 29057-2023 Active Practice for evaluation of polocrystalline silicon rods by float-zone crystal growth and spectroscopy 用区熔拉晶法和光谱分析法评价多晶硅棒的规程 Standard Type GBT ICS 77.040 CCS H80 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 国家标准委 Drafting Unit N/A