GB/T 21152-2018 Earth-moving machinery—Wheeled or high-speed rubber-tracked machines—Performance requirements and test procedures for brake systems (English Version)
2018GB/T 21152-2018 Earth-moving machinery—Wheeled or high-speed rubber-tracked machines—Performance requirements and test procedures for brake systems
2007GB/T 21152-2007 Earth-moving machinery.Braking systems of rubber-tyred machines.Systems and performance requirements and test procedures