Home / Standards / GB/T 26496-2011 GB/T 26496-2011 Active Scraps of tungsten and tungsten alloys 钨及钨合金废料 Standard Type GBT ICS 77.150.99 CCS H69 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