Home / Standards / GB/T 44552-2024 GB/T 44552-2024 Active Determination of particle size distribution—Differential electrical mobility analysis for aerosol particles 粒度分布的测定 气溶胶颗粒差分电迁移率分析法 Standard Type GBT ICS 19.120 CCS A28 Status 现行 Issue Date 2024-09-29 Implementation 2025-04-01 Responsible Dept 国家标准委 Drafting Unit N/A