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Normas CEN

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EN

EN 15698-1:2025

En Vigor
2025-03-19
District heating pipes - Bonded twin pipe systems for directly buried hot water networks - Part 1: Factory made twin pipe assembly of steel service pipes, polyurethane thermal insulation and one casing of polyethylene
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EN

EN 14587-2:2024

En Vigor
2024-08-22
Railway applications - Infrastructure - Flash butt welding of new rails - Part 2: R200, R220, R260, R260Mn, R320Cr, R350HT, R350LHT, R370CrHT and R400HT grade rails by mobile welding machines at sites other than a fixed plant
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EN

EN 4681-003:2024

En Vigor
2024-12-18
Aerospace series - Cables, electric, general purpose, with conductors in aluminium or copper-clad aluminium - Part 003: AD family, single, UV laser printable - Product standard
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EN

EN 3774-001:2024

En Vigor
2024-12-18
Aerospace series - Circuit breakers, three-pole, temperature compensated, rated currents 1 A to 25 A - Part 001: Technical specification
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