GB/T 21972.2-2012
AbolishedSpecification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 2: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications(cooled with axial fan)
起重及冶金用变频调速三相异步电动机技术条件 第2部分:YZP系列起重及冶金用变频调速三相异步电动机(轴流风机冷却)