Home / Standards / GB/T 21887-2008 GB/T 21887-2008 Active 2-Amino-4-nitrophenol 2-氨基-4-硝基苯酚 Standard Type GBT ICS 71.100.01;87.060.10 CCS G56 Status 现行 Issue Date 2008-05-15 Implementation 2008-11-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A