Home / Standards / GB/T 38621-2020 GB/T 38621-2020 Active Transient thermal test method for light emitting diode modules 发光二极管模块热特性瞬态测试方法 Standard Type GBT ICS 31.120 CCS L63 Status 现行 Issue Date 2020-04-28 Implementation 2020-11-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A