Home / Standards / GB/T 33880-2017 GB/T 33880-2017 Active Wrought aluminium silicon alloy plates and sheets from hot isostatic pressing 热等静压铝硅合金板材 Standard Type GBT ICS 77.150.10 CCS H61 Status 现行 Issue Date 2017-07-12 Implementation 2018-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A