Home / Standards / GB/T 26721-2011 GB/T 26721-2011 Abolished Arsenic trioxide 三氧化二砷 Standard Type GBT ICS 77.150.99 CCS H62 Status 废止 Issue Date 2011-06-16 Implementation 2012-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A