DIN EN IEC 60794-3-40:2023 Optical fibre cables - Part 3-40: Outdoor cables - Family specification for cables for storm and sanitary sewers (IEC 60794-3-40:2022); German version EN IEC 60794-3-40:2022
2023DIN EN IEC 60794-3-40:2023 Optical fibre cables - Part 3-40: Outdoor cables - Family specification for cables for storm and sanitary sewers (IEC 60794-3-40:2022); German version EN IEC 60794-3-40:2022