2015JB/T 7565.5-2015 Specification of flameproof three-phase asynchronous motor.Part 5: YBF3 series flameproof three-phase asynchronous motor for fan (frame size 63 to 355)
2004JB/T 7565.5-2004 Specification of flameproof three phases asynchronous motor Part 5: Series YBF2 flameproof three phases asynchronous motor for fan (Frame size 63 to 355)
1992JB/T 6202-1992 Technical specifications of flameproof three-phase asynchronous motors for YBF series fans (frame size 63~160)
JB/T 6202-1992 Technical specifications of flameproof three-phase asynchronous motors for YBF series fans (frame size 63~160) was changed to JB/T 7565.5-2004 Specification of flameproof three phases asynchronous motor Part 5: Series YBF2 flameproof three phases asynchronous motor for fan (Frame size 63 to 355).