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Tests for electric and optical fibre cables under fire conditions. Circuit integrity. Part 21. Procedures and requirements. Cables of rated voltage up to and including 0,6/1,0 kV

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Structuring of technical information and documentation

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Stationary steam and hot-water boilers and heat recovery steam generators. Weld joints. Quality control. General requirements

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Ceramic insulators for voltage to 1000 V. General specifications

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Light sources and lighting fittings. Presentation of data for calculation of lighting

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Pin stamped cable terminals, with closed tail, attached to conductor core. Construction and sizes

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