GB/T 21972.3-2023
起重及冶金用變頻調(diào)速三相異步電動機技術(shù)條件 第3部分:YZP系列起重及冶金用變頻調(diào)速三相異步電動機(離心風機冷卻)(機座號100~400)
Technical conditions of variable frequency speed regulation three-phase asynchronous motors for hoisting and metallurgy Part3:YZP series frequency conversion speed regulation three-phase asynchronous motors for lifting and metallurgy(frame size 100~400)
GBT21972.3-2023, GB21972.3-2023