Home / Standards / GB/T 21540-2022 GB/T 21540-2022 Active Hydraulic fluid power—On-line automatic particle-counting systems for liquids—Methods of calibration and validation 液压传动 在线液体自动颗粒计数系统 校准和验证方法 Standard Type GBT ICS 23.100.60 CCS J20 Status 现行 Issue Date 2022-10-12 Implementation 2022-10-12 Responsible Dept 中国机械工业联合会 Drafting Unit N/A