Home / Standards / GB/T 33228-2016 GB/T 33228-2016 Active Aluminum alloy extruded tubes for high-frenquency electric transformer 电站高频导电用铝合金挤压管材 Standard Type GBT ICS 77.150.10 CCS H61 Status 现行 Issue Date 2016-12-13 Implementation 2017-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A