Home / Standards / GB/T 39824-2021 GB/T 39824-2021 Active Determination of relative strength of dyes in solution 溶液中染料相对强度的测定 Standard Type GBT ICS 59.080.01 CCS G55 Status 现行 Issue Date 2021-03-09 Implementation 2021-08-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A