JB/T 10221-2017 Specifications for two-speed three-phase asynchronous motors with eddy current braking wound rotors for YZRSW series tower cranes (English Version)
2018JB/T 10221-2017 Specifications for two-speed three-phase asynchronous motors with eddy current braking wound rotors for YZRSW series tower cranes
2010JB/T 10221-2010 Technical specification for YZRSW range of three-phase eddy-current braking wound rotor induction motors for column crane application
2000JB/T 10221-2000 Technical specification for YZRSW Range of three-phase eddy-current brading wound rotor induction motors for column crane application