Home / Standards / GB/T 33550-2017 GB/T 33550-2017 Active Vortical self-priming motor-pumps—Specification for performance evaluation 旋涡式自吸电泵 性能评价规范 Standard Type GBT ICS 65.060.35 CCS B91 Status 现行 Issue Date 2017-03-09 Implementation 2017-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A