KS C IEC 60601-2-8:2017 Medical electrical equipment — Part 2-8: Particular requirements for the basic safety and essential performance of therapeutic X-ray equipment operating in the range 10 kV to 1 MV
2021KS C IEC 60601-2-8:2021 Medical electrical equipment — Part 2-8: Particular requirements for the basic safety and essential performance of therapeutic X-ray equipment operating in the range 10 kV to 1 MV
2017KS C IEC 60601-2-8:2017 Medical electrical equipment — Part 2-8: Particular requirements for the basic safety and essential performance of therapeutic X-ray equipment operating in the range 10 kV to 1 MV
2012KS C IEC 60601-2-8:2012 Medical electrical equipment-Part 2-8:Particular requirements for the basic safety and essential performance of therapeutic X-ray equipment operating in the range 10 kV to 1 MV