Home / Standards / GB/T 33226 GB/T 33226 Active Aluminium and aluminium alloy multiport profiles for heat exchanger 热交换器用铝及铝合金多孔型材 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 中国有色金属工业协会