Home / Standards / GBT 13469-92 GBT 13469-92 Economical operation of centrifugal, mixed-flow, axial-flow, and vortex pumps for industrial use 工业用离心泵、混流泵、轴流泵与旋涡泵系统经济运行 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A