Home / Standards / GB/T 13469-2021 GB/T 13469-2021 Active Economical operation for centrifugal, mixed flow and axial flow pump systems 离心泵、混流泵与轴流泵系统经济运行 Standard Type GBT ICS 27.010 CCS F01 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 国家标准委 Drafting Unit N/A