Home / Standards / GB/T 4840-2016 GB/T 4840-2016 Active Nitroanilines 硝基苯胺类 Standard Type GBT ICS 71.100.01;87.060.10 CCS G56 Status 现行 Issue Date 2016-10-13 Implementation 2017-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A