AENOR UNE-EN 663 PDF

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Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 2-1: Distribution transformers with cable boxes on the high-voltage and/or low-voltage side - General requirements

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Ventanas. Persianas: métodos de ensayo. Ensayos mecánicos.

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Steel tubes and fittings for onshore and offshore pipelines - Bituminous hot applied materials for external coating

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Textiles - Quantitative chemical analysis - Part 21: Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates with certain other fibres (method using cyclohexanone) (ISO 1833-21:2019)

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