Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants; German version EN 12255-15:2003
Edition 2004-04

Aerospace series; control cable assemblies; combinations and dimensions
Edition 1989-11

Viscometry; determination of the temperature coefficient of viscosity of liquids
Edition 1993-11

Bituminous mixtures - Test methods - Part 48: Interlayer Bonding; German version EN 12697-48:2021
Edition 2022-02

Surface active agents - Determination of ethylene oxide and propylene oxide groups in ethylene oxide and propylene oxide adducts; German version EN 13268:2001
Edition 2001-07

Hydronic systems in heating, cooling and ventilation installations - Part 1: Basics of hydronic balancing
Edition 2022-10

Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1-2: Determination of the detective quantum efficiency - Detectors used in mammography (IEC 62220-1-2:2007); German version EN 62220-1-2:2007
Edition 2009-02

Non-destructive testing - Thermographic testing - Lock-In thermography using optical excitation
Edition 2021-06

Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1-3: Determination of the detective quantum efficiency - Detectors used in dynamic imaging (IEC 62220-1-3:2008); German version EN 62220-1-3:2008
Edition 2011-04

Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1-1: Determination of the detective quantum efficiency - Detectors used in radiographic imaging (IEC 62220-1-1:2015); German version EN 62220-1-1:2015
Edition 2021-11