Home / Standards / GB/T 31369-2015 GB/T 31369-2015 Active Electronic grade hydrofluoric acid for solar cells 太阳电池用电子级氢氟酸 Standard Type GBT ICS 31.030 CCS L90 Status 现行 Issue Date 2015-02-04 Implementation 2015-10-01 Responsible Dept 国家标准委 Drafting Unit N/A