Optical fibres - Part 1-21: Measurement methods and test procedures - Coating geometry (IEC 60793-1-21:2001)
Edition 2003-01-01

Wind turbines - Part 121: Power performance measurements of grid connected wind turbines (IEC 88/185/CDV)
Edition 2004-03-01

Multimedia systems and equipment - Colour measurement and management - Part 12-1: Metadata for identification of colour gamut (Gamut ID) (IEC 61966-12-1:2011) (german version)
Edition 2011-09-01

3D display devices - Part 12-1: Measuring methods for stereoscopic displays using glasses - Optical (IEC 110/436/CDV)
Edition 2013-03-15

Wind energy generation systems - Part 12-1: Power performance measurement of electricity producing wind turbines (IEC 88/822/CDV) (english version)
Edition 2021-09-15

Multi-element metallic cables used in analogue and digital communications and control - Part 12-1: Sectional specification for screened cables characterised from 1 MHz up to 2000 MHz - Horizontal and building backbone cables (german version)
Edition 2018-05-01

General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Smart grid - Application specification - Interface and framework for customer - Part 12-1: Interface between the CEM and Home/Building Resource manager - General Requirements and Architecture (german version)
Edition 2019-03-01

Fire hazard testing - Part 1-21: Guidance for assessing the fire hazard of electrotechnical products - Ignitability - Summary and relevance of test methods ( IEC 60695-1-21:2016) (german version)
Edition 2017-11-01

Optical fibre cables - Part 1-21: Generic specification - Basic optical cable test procedures - Mechanical tests methods (german version)
Edition 2021-04-01

Aerospace series - LOTAR - LOng Term Archiving and Retrieval of digital technical product documentation such as 3D CAD and PDM data - Part 121: Semantic representation of CAD 3D Explicit Geometry with Product and Manufacturing Information
Edition 2023-11