Air quality - Determination of ozone in ambient air - Ultraviolet photometric method (ISO 13964:1998)
Edition 1999-12

Natural gas - Standard reference conditions (ISO 13443:1996, including Corrigendum 1:1997); German version EN ISO 13443:2005
Edition 2007-09

Pump system energy assessment (ISO/ASME 14414:2019); German version EN ISO 14414:2019
Edition 2019-09

Interface for serial measurement data communication - Part 3: Application services, messages (protocol data units) and protocols
Edition 1998-04

Pedologic site assessment - Designation, classification and deduction of soil parameters (normative and nominal scaling)
Edition 2020-11

Electrical networks; algebraification of topology and fundamentals of electrical network calculation
Edition 1988-04

Smoke and heat control systems - Part 13: Pressure differential systems (PDS) - Design and calculation methods, installation, acceptance testing, routine testing and maintenance; German Version EN 12101-13:2022
Edition 2022-11

Optics and optical instruments - Field procedures for testing geodetic and surveying instruments - Part 1: Theory (ISO 17123-1:2014)
Edition 2017-09

Aerospace; bending of light metal sheet and strip; dimensions, limit deviations and compensation values
Edition 1986-12

Graphical symbols for diagrams - Part 7: Switchgear, controlgear and protective devices (IEC 60617-7:1996); German version EN 60617-7:1996
Edition 1997-08