JB/T 12881-2016 Technical conditions of YBBP series high-voltage explosion-proof variable frequency speed-adjustable three-phase asynchronous motor (frame number 355~630) (English Version)
2016JB/T 12881-2016 Technical conditions of YBBP series high-voltage explosion-proof variable frequency speed-adjustable three-phase asynchronous motor (frame number 355~630)