2015JB/T 7563-2015 Technical conditions of YZE series electromagnetic brake three-phase asynchronous motors for hoisting and metallurgy
2005JB/T 7563-2005 Technical specification for YZE range of electromagnetic braking three-phase induction motors for crane and metallurgical application
1994JB 7563-1994 Technical conditions of YZE series electromagnetic brake three-phase asynchronous motors for hoisting and metallurgy
JB 7563-1994 Technical conditions of YZE series electromagnetic brake three-phase asynchronous motors for hoisting and metallurgy was changed to JB/T 7563-2005 Technical specification for YZE range of electromagnetic braking three-phase induction motors for crane and metallurgical application.