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IEC 60794-3-12 2021 Optical fibre cables - Part 3-12 Outdoor cables - Detailed specification for duct and directly buried optical telecommunication cables for use in premises cabling
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IEC 60794-3-12 2021 Optical fibre cables - Part 3-12 Outdoor cables - Detailed specification for duct and directly buried optical telecommunication cables for use in premises cabling
