JB/T 7565.3-2004
隔爆型三相异步电动机技术条件.第3部分:YB2-F1、YB2-WF1、YB2-F2、YB2-WF2系列防腐、户外防腐隔爆型三相异步电动机(机座号63~355)
Specification of flameproof motor Part 3: Series YB2-F1、YB2-WF1、YB2-F2、YB2-WF2 flameproof three-phase asynchronous anticorrosion and outdoor anticorrosion motor (Frame 63 to 355)
JBT7565.3-2004, JB7565.3-2004