Home / Standards / GB/T 18502-2001 GB/T 18502-2001 Abolished The DC critical current measurement for Ag or Ag-alloy sheathed bismuthal oxide superconductor 银或银合金包套铋系氧化物超导体直流临界电流的测定 Standard Type GBT ICS 31.020 CCS L90 Status 废止 Issue Date 2001-11-05 Implementation 2002-05-01 Responsible Dept 中国科学院 Drafting Unit N/A