Home / Standards / GB/T 32649-2016 GB/T 32649-2016 Active High purty arenaceous quartz used in photovoltaic applications 光伏用高纯石英砂 Standard Type GBT ICS 31.030 CCS L90 Status 现行 Issue Date 2016-04-25 Implementation 2016-11-01 Responsible Dept 国家标准委 Drafting Unit N/A