DS DS/EN 60674-3-2
DS DSEN 60674-3-2 1998-OCT-01 Specfcaton for plastc flms for electrcal purposes - Part 3 Specfcatons for ndvdual materals - Sheet 2 Requrements for balanced baxally orented polyethylene terephthalate PET flms used for electrcal nsulaton