Home / Standards / GB/T 26492.4-2011 GB/T 26492.4-2011 Active Defects of wrought aluminium and aluminium alloys ingots and products - Part 4: Defects for foils 变形铝及铝合金铸锭及加工产品缺陷 第4部分：铝箔缺陷 Standard Type GBT ICS 77.120.10 CCS H60 Status 现行 Issue Date 2011-05-12 Implementation 2012-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit 中国有色金属工业协会