Home / Standards / GB/T 1867-2017 GB/T 1867-2017 Active Vat blue RSN(C.I. Vat blue 4) 还原蓝RSN(C.I.还原蓝 4) Standard Type GBT ICS 71.100.01;87.060.10 CCS G57 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A