JB/T 7565.3-2015
隔爆型三相异步电动机技术条件 第3部分:YB3-F1、YB3-WF1、YB3-F2、YB3-WF2系列隔爆型三相异步电动机(机座号63~355)
Specification of flameproof three-phase Asynchronous motor.Part 3: YB3-F1, YB3-WF1, YB3-F2, YB3-WF2 series flameproof three-phase asynchronous motor (frame size 63 to 355)
JBT7565.3-2015, JB7565.3-2015