Home / Standards / GB/T 41949-2022 GB/T 41949-2022 Active Particle─Laser particle size analyser─Technical requirements 颗粒 激光粒度分析仪 技术要求 Standard Type GBT ICS 19.120 CCS A28 Status 现行 Issue Date 2022-12-30 Implementation 2023-07-01 Responsible Dept 国家标准委 Drafting Unit N/A