Home / Standards / GB/T 1480-2025 GB/T 1480-2025 Active Metallic powders—Determination of particle size by dry sieving 金属粉末 干筛分法测定粒度 Standard Type GBT ICS 77.160 CCS H70 Status 现行 Issue Date 2025-01-24 Implementation 2025-08-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A