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Railway applications. Fixed installations. Electrical protective measures for working on or near an overhead contact line system and/or its associated return circuit. Original standard UNE-EN 50488-2021 in PDF full version. Additional info + preview on request

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Amendment 1 - Cover plates and cover tapes for the protection and location warning of buried cables or buried conduits in underground installations. Original standard UNE-EN 50520-2021 A1-2022 in PDF full version. Additional info + preview on request

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Cover plates and cover tapes for the protection and location warning of buried cables or buried conduits in underground installations. Original standard UNE-EN 50520-2021 in PDF full version. Additional info + preview on request

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Procedure for the assessment of the exposure to electromagnetic fields of workers bearing active implantable medical devices - Specific assessment for workers with implantable neurostimulators. Original standard UNE-EN 50527-2-3-2021 in PDF full version. Additional info + preview on request

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Railway applications - Rolling Stock - Three-phase shore (external) supply system for rail vehicles and its connectors. Original standard UNE-EN 50546-2021 in PDF full version. Additional info + preview on request

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Information technology. Data centre facilities and infrastructures - Building construction. Original standard UNE-EN 50600-2-1-2021 in PDF full version. Additional info + preview on request

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