Private Telecommunication Network (PTN); signalling at the S-reference point; generic keypad protocol for the support of supplementary services; English version ETS 300190:1992
Edition 1993-09

Private Telecommunication Network (PTN); signalling protocol at the S-reference point; identification supplementary services; English version ETS 300191:1992
Edition 1993-09

Private Telecommunication Network (PTN); signalling protocol at the S-reference point; circuit mode basic services; English version ETS 300192:1992
Edition 1993-09

Aerospace series - Fibre optic systems - Handbook - Part 002: Test and measurement; German version ASD-STAN prEN 4533-002:2025
Edition 2025-08

Acoustics - Acoustic insulation for pipes, valves and flanges (ISO 15665:2023); Text in German and English
Edition 2025-06

Fire resistance tests for service installations - Part 9: Single compartment smoke extraction ducts; German version EN 1366-9:2024
Edition 2025-04

Aerospace series - Fibre optic systems - Handbook - Part 002: Test and measurement; German and English version EN 4533-002:2017
Edition 2018-04

Fire resistance tests for service installations - Part 8: Smoke extraction ducts; German version EN 1366-8:2024
Edition 2025-04

Technical services - Service categories and contents for industrial process engineering systems - Part 5: Cold, heat and sound insulation
Edition 2024-11