Optical amplifiers - Part 5-2: Qualification specifications - Reliability qualification for optical fibre amplifiers (IEC 61291-5-2:2017/COR1:2019); German version EN 61291-5-2:2017/AC:2019-06
Edition 2019-10

Fibre optic sensors - Part 4-3: Electric current measurement - Polarimetric method (IEC 61757-4-3:2020/COR1:2022); German version EN IEC 61757-4-3:2020/AC:2022-07
Edition 2022-11

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-46: Tests - Damp heat, cyclic (IEC 61300-2-46:2019/COR1:2022); German version EN 61300-2-46:2019/AC:2022-03
Edition 2022-07

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-19: Tests – Damp heat (steady state) (IEC 61300-2-19:2012/COR1:2020); German version EN 61300-2-19:2013/AC:2020-04
Edition 2020-08

Translation and interpreting services - Interpreting services - Conference Interpreting
Edition 2017-03

Adhesives - Examination and preparation of samples for testing; German version EN 1067:2005
Edition 2006-03

Pressure fluids - Hydraulic oils - Part 3: HVLP hydraulic oils, Minimum requirements
Edition 2017-06

Fixed capacitors for use in electronic equipment - Part 25: Sectional specification - Fixed aluminium electrolytic surface mount capacitors with conductive polymer solid electrolyte (IEC 60384-25:2021/COR1:2023); German version EN IEC 60384-25:2021/AC:2023-05
Edition 2023-10

Sensory analysis - Assessment (determination and verification) of the shelf life of foodstuffs (ISO 16779:2015)
Edition 2018-05

Glass packaging - Finishes for bottles - Screw thread finishes for bottles for non-carbonated liquids; German version EN 15543:2008 + AC:2008
Edition 2009-09