Home / Standards / GB/T 45322.2-2025 GB/T 45322.2-2025 Active Particle─Separation performance test for particle size separator—Part 2: Divided flow method 颗粒 粒度切割器切割性能测试 第2部分:分流法 Standard Type GBT ICS 19.120 CCS A28 Status 现行 Issue Date 2025-02-28 Implementation 2025-09-01 Responsible Dept 国家标准委 Drafting Unit N/A