Geometrical values of drains and sewers for hydraulic design for water and waste water engineering
Edition 2011-06

Photographic lenses; their influence on colour rendition of colour films; terms, values for colour contribution index
Edition 1991-05

Photographic lenses; their influence on colour rendition of colour films; recommended values for colour contribution index
Edition 1991-05

Spectral measurement of radiation - Part 1: Terminology, quantities, characteristic values
Edition 2024-07

Radiometric and photometric properties of materials; definitions characteristics
Edition 1978-07

Radiometric and photometric properties of materials; methods of measurement for photometric and spectral radiometric characteristics
Edition 1979-11

Testing of plasticizers; determination of physical and chemical characteristics of plasticizers
Edition 1988-06

Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 6: Calculation of seasonal performances; German and English version prEN 12309-6:2022
Edition 2023-01

Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 6: Calculation of seasonal performances; German version EN 12309-6:2014
Edition 2015-03

Maintenance - Maintenance Key Performance Indicators; German version EN 15341:2019+A1:2022
Edition 2022-08