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Corrigendum - Classification of environmental conditions - Part 3-4- Classification of groups of environmental parameters and their severities - Stationary use at non-weatherprotected locations. Original standard UNE-EN IEC 60721-3-4-2019 AC-2023 in PDF full version. Additional info + preview on request

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Cable networks for television signals, sound signals and interactive services - In-building optical systems for broadcast signal transmissions (IEC 60728-115-2022). Original standard UNE-EN IEC 60728-115-2022 in PDF full version. Additional info + preview on request

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Winding wires - Test methods Part 1- General. Original standard UNE-EN IEC 60851-1-2022 in PDF full version. Additional info + preview on request

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Corrigendum - Low-voltage switchgear and controlgear Part 1- General rules. Original standard UNE-EN IEC 60947-1-2022 AC-2023 in PDF full version. Additional info + preview on request

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Corrigendum - Low-voltage switchgear and controlgear Part 1- General rules. Original standard UNE-EN IEC 60947-1-2022 AC-2024 in PDF full version. Additional info + preview on request

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Low-voltage switchgear and controlgear Part 3- Switches, disconnectors, switch-disconnectors and fuse-combination units. Original standard UNE-EN IEC 60947-3-2022 in PDF full version. Additional info + preview on request

Document status: Active