KS B ISO 12117-2-2022 Earth-moving machinery-Laboratory tests and performance requirements for protective structures of excavators-Part 2:Roll-over protective structures(ROPS) for excavators of over 6 t
2022KS B ISO 12117-2-2022 Earth-moving machinery-Laboratory tests and performance requirements for protective structures of excavators-Part 2:Roll-over protective structures(ROPS) for excavators of over 6 t
2017KS B ISO 12117-2:2017 Earth-moving machinery-Laboratory tests and performance requirements for protective structures of excavators-Part 2:Roll-over protective structures(ROPS) for excavators of over 6 t
2012KS B ISO 12117-2:2012 Earth-moving machinery-Laboratory tests and performance requirements for protective structures of excavators-Part 2:Roll-over protective structures(ROPS) for excavators of over 6 t