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UHVDC transformer components leak check factorys

Ventilation for buildings — Calculation methods for the ...· PDF file6.2.8 AHU leakage coefficient CAHU leak ... EN13141-1, Ventilation for buildings — Performance testing of components/products for residential ventilation — Part 1 externally and internally mounted air transfer devices EN 13141-5, Ventilation for buildings — Performance testing of components…

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