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prEN 18110
Water quality - Method for assessment of fish damage in pumps and turbines used in pumping stations and hydropower plants
prEN 14033-3
Railway applications - Infrastructure - Railbound construction and maintenance machines - Part 3: General safety requirements
EN 15502-2-1/prA1
Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW
DIN EN 15502-2-1
Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW; German version EN 15502-2-1:2022+A1:2023
DIN EN 17671
Heating systems and water-based cooling systems in buildings - Design for water-based cooling systems; German and English version prEN 17671:2024
DIN EN 15316-4-2
Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-2: Space heating generation systems, heat pump systems, Module M3-8-2, M8-8-2; German and English version prEN 15316-4-2:2022