BS EN IEC 60794-2-50:2020 Optical fibre cables Part 2 - 50 : Indoor cables — Family specification for simplex and duplex cables for use in terminated cable assemblies
1970BS EN IEC 60794-2-50:2023 Optical fibre cables. Indoor cables. Family specification for simplex and duplex cables for use in terminated cable assemblies
1970BS EN IEC 60794-2-50:2020 Optical fibre cables Part 2 - 50 : Indoor cables — Family specification for simplex and duplex cables for use in terminated cable assemblies