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Selection and dimensioning of high-voltage insulators intended for use in polluted conditions. Part 2- Ceramic and glass insulators for a.c. systems. Original standard UNE-IEC TS 60815-2-2026 in PDF full version. Additional info + preview on request

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Selection and dimensioning of high-voltage insulators intended for use in polluted conditions. Part 3- Polymer insulators for AC systems. Original standard UNE-IEC TS 60815-3-2026 in PDF full version. Additional info + preview on request

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Transformer bushings dimensional standardization. Part 1- Medium voltage bushings with Um from 12 kV up to and including 52 kV and Ir from 630 A up to and including 3 150 A. Original standard UNE-IEC TS 63493-1-2026 in PDF full version. Additional info + preview on request

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Tourism and related services. Yacht harbours. Part 1- Mínimum requirements for basic service level harbours. Original standard UNE-ISO 13687-1-2018 in PDF full version. Additional info + preview on request

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Tourism and related services. Yacht harbours. Part 2- Mínimum requirements for intermediate service level harbours. Original standard UNE-ISO 13687-2-2018 in PDF full version. Additional info + preview on request

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Tourism and related services. Yacht harbours. Part 3- Mínimum requirements for high service level harbours. Original standard UNE-ISO 13687-3-2018 in PDF full version. Additional info + preview on request

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