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Automatic electrical controls for household and similar use - Part 2-8: Particular requirements for electrically operated water valves, including mechanical requirements— 77 стр.
Energy performance of buildings. Method for calculation of system energy requirements and system efficiencies. Heat generation systems, thermal solar and photovoltaic systems, Module M3-8-3, M8-8-3, M11-8-3— 106 стр.
