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District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene— 54 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.
Energy performance of buildings. Method for calculation of system energy performance and system efficiencies. Explanation and justification of EN 15316-4-3, Module M3-8-3, M8-8-3— 46 стр.
