KS C IEC 60674-3-4-2014(2019) Specification for plastic films for electrical purposes — Part 3: Specifications for individual materials — Sheets 4 to 6: Requirements for polyimide films used for electrical insulation
2014KS C IEC 60674-3-4:2014 Specification for plastic films for electrical purposes — Part 3: Specifications for individual materials — Sheets 4 to 6: Requirements for polyimide films used for electrical insulation