2015GJB 361B-2015 General specifications for controlling motors
1997GJB 361A-1997 Control motors and feedback components,general specification for
1987GJB 361-1987 Basic technical requirements for controlling micromotors
GJB 361A-1997 Control motors and feedback components,general specification for was changed to GJB 361B-2015 General specifications for controlling motors.