Sound system equipment - Part 21: Acoustical (output-based) measurements (IEC 60268-21:2018); German version EN IEC 60268-21:2018
Edition 2019-11

Measurement of fluid flow in closed conduits - Vocabulary and symbols (ISO 4006:1991); German version EN 24006:1993
Edition 2024-02

Instrument transformers for 50 Hz, Uₘ of 72,5 kV and above - Basic requirements
Edition 2003-09

Plasma display panels - Part 4: Climatic and mechanical testing methods (IEC 61988-4:2007); German version EN 61988-4:2007
Edition 2007-10

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-10: Examinations and measurements - Gauge retention force (IEC 61300-3-10:2006); German version EN 61300-3-10:2007
Edition 2007-10

Optical circuit boards - Part 2-2: Measurements - Dimensions of optical circuit boards (IEC 62496-2-2:2011); German version EN 62496-2-2:2011
Edition 2011-09

Fire detection and fire alarm systems - Part 22: Resettable line-type heat detectors; German version EN 54-22:2015+A1:2020
Edition 2020-07

Aerospace; concepts, quantities and symbols for flight dynamics; motions of the aircraft and the atmosphere relative to the earth; ISO 1151-2:1985 (status as of 1987) modified
Edition 1990-10

Cyclotron systems for positron emission tomography - Part 2: Radiation protection labyrinths and wall entrances
Edition 2005-02

Eurocode 5: Design of timber structures - Part 1-1: General - Common rules and rules for buildings; German version EN 1995-1-1:2004 + AC:2006 + A1:2008
Edition 2010-12