Home / Standards / GB/T 25074-2010 GB/T 25074-2010 Abolished Solar-grade polycrystalline silicon 太阳能级多晶硅 Standard Type GBT ICS 29.045 CCS H82 Status 废止 Issue Date 2010-09-02 Implementation 2011-04-01 Responsible Dept 国家标准委 Drafting Unit N/A