Integrated Services Digital Network (ISDN); Malicious Call Identification (MCID) supplementary service; serving description; english version ETS 300128:1992
Edition 1992-12

Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; service description; english version ETS 300139:1992
Edition 1992-12

Fibre Optic Sensors - Part 1-2: Strain measurement - Distributed sensing based on Brillouin scattering (IEC 86C/1768/CD:2021); Text in German and English
Edition 2023-06

Terminal Equipment (TE); international videotex interworking between a terminal and a host; english version ETS 300106:1991
Edition 1993-04

Integrated Services Digital Network (ISDN); Calling Line Identification Presentation (CLIP) and Calling Line Identification Restriction (CLIR) supplementary services; functional capabilities and information flows; english version ETS 300091:1992
Edition 1992-12

Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; service description; english version ETS 300136:1992
Edition 1992-12

Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; functional capabilities and information flows; english version ETS 300137:1992
Edition 1992-12

Stationary source emissions - Data acquisition and handling systems - Part 2: Specification of requirements on data acquisition and handling systems; German version EN 17255-2:2020
Edition 2020-07

Wastewater treatment plants - Part 12: Control and automation; German version EN 12255-12:2003
Edition 2003-12

Air quality - Assessment of air quality monitoring equipment - Part 3: Performance criteria and test procedures for stationary automated measuring systems for continuous monitoring of emissions from stationary sources; German version EN 15267-3:2023
Edition 2024-09