Optical amplifiers - Test methods - Part 3-1: Noise figure parameters - Optical spectrum analyzer method (IEC 61290-3-1:2003); German version EN 61290-3-1:2003
Edition 2004-05

Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 34: Type URM connector family (IEC 61754-34:2016); German version EN 61754-34:2016
Edition 2017-07

Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 7-3: Type MPO connector family - Two fibre rows 16 fibre wide (IEC 61754-7-3:2019); German version EN IEC 61754-7-3:2019
Edition 2020-03

Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 20: Type LC connector family (IEC 61754-20:2012 + AMD1:2022); German version EN 61754-20:2012 + A1:2022
Edition 2023-08

Postal services - Quality of service - Complaints handling principles; German version EN 14012:2019
Edition 2020-06

Guidelines for management consultancy services (ISO 20700:2017); German version EN ISO 20700:2018
Edition 2019-01

Medical microbiology - Culture media - Part 4: Transport systems for specimens containing bacteria
Edition 2003-05

Framework for energy market communications - Part 451-3: Transmission capacity allocation business process (explicit or implicit auction) and contextual models for European market (IEC 62325-451-3:2014 + A1:2017); German version EN 62325-451-3:2014 + A1:2017
Edition 2019-09

Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 7-2: Type MPO connector family - Two fibre rows (IEC 61754-7-2:2017); German version EN IEC 61754-7-2:2018
Edition 2019-01

Radio-frequency connectors - Part 41: Sectional specification for CQA series quick lock R.F. coaxial connectors (IEC 61169-41:2011); German version EN 61169-41:2011
Edition 2011-12