Aerospace series; characteristics of aircraft electrical supplies; german version EN 2282:1991
Edition 1992-05

Aerospace series - Characteristics of aircraft electrical supplies; German and English version FprEN 2282:2022
Edition 2022-08

Acoustics - Audiometric test methods - Part 1: Pure-tone air and bone conduction audiometry (ISO 8253-1:2010); German version EN ISO 8253-1:2010
Edition 2011-04

Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values (IEC 60689:2008); German version EN 60689:2009
Edition 2009-08

Sheath-clamps for telecommunication cables; requirements, tests
Edition 1990-04

Fibre optic interconnecting devices and passive components - Performance standard - Part 1: General and guidance (IEC 61753-1:2018 + COR1:2019); German version EN IEC 61753-1:2018 + AC:2019
Edition 2019-10

Corrosion of metals and alloys - Classification of low corrosivity of indoor atmospheres - Part 2: Determination of corrosion attack in indoor atmospheres (ISO 11844-2:2020); German version EN ISO 11844-2:2020
Edition 2020-09

Chronometric Terms; Frequency, Period
Edition 1971-07

Electroacoustics - Octave-band and fractional-octave-band filters - Part 1: Specifications (IEC 61260-1:2014); German version EN 61260-1:2014
Edition 2014-10

Sectional specification: Quartz crystal controlled oscillators (Qualification approval); German version EN 169200:1995
Edition 1996-05