Home / Standards / GB/T 16821-2007 GB/T 16821-2007 Active General test methods of power supply equipments for telecommunications 通信用电源设备通用试验方法 Standard Type GBT ICS 33.140 CCS L89 Status 现行 Issue Date 2007-03-07 Implementation 2007-09-01 Responsible Dept 工业和信息化部(通信) Drafting Unit N/A