Home / Standards / GB/T 19591-2023 GB/T 19591-2023 Active Nano-titanium dioxide 纳米二氧化钛 Standard Type GBT ICS 71.060.20 CCS G13 Status 现行 Issue Date 2023-09-07 Implementation 2024-04-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A