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IEC 60332-3-21 2018 RLV Tests on electric and optical fibre cables under fire conditions - Part 3-21 Test for vertical flame spread of vertically-mounted bunched wires or cables - Category A F-R
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IEC 60332-3-21 2018 RLV Tests on electric and optical fibre cables under fire conditions - Part 3-21 Test for vertical flame spread of vertically-mounted bunched wires or cables - Category A F-R
