Home / Standards / GB/T 22638.7-2008 GB/T 22638.7-2008 Active Test methods for aluminium and aluminium alloy foils - Part 7: Determination of heat seal strength 铝箔试验方法 第7部分：热封强度的测定 Standard Type GBT ICS 77.040.01 CCS H20 Status 现行 Issue Date 2008-12-29 Implementation 2009-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A