Home / Standards / GB/T 13929-2024 GB/T 13929-2024 Active Water ring vacuum pumps and compressors—Testing method 水环真空泵和水环压缩机 试验方法 Standard Type GBT ICS 23.080 CCS J71 Status 现行 Issue Date 2024-04-25 Implementation 2024-08-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A