KS C IEC 60674-3-2:2019 Specification for plastic films for electrical purposes —Part 3: Specifications for individual materials — Sheet 2:Requirements for balanced biaxially oriented polyethylene terephthalate(PET) films us
2019KS C IEC 60674-3-2:2019 Specification for plastic films for electrical purposes —Part 3: Specifications for individual materials — Sheet 2:Requirements for balanced biaxially oriented polyethylene terephthalate(PET) films us
2003KS C IEC 60674-3-2:2003 Specification for plastic films for electrical purposes-Part 3:Specifications for individual materials-Sheet 2:Requirements for balanced biaxially oriented polyethylene terephthalate(PET) films used for electrical insulation