Quartz crystal units for frequency control and selection; part 2: guide to the use of quartz crystal units for frequency control and selection; identical with IEC 60122-2:1983
Edition 1993-09

Telecontrol equipment and systems - Part 5: Transmission protocols; section 1: Transmission frame formats (IEC 60870-5-1:1990); German version EN 60870-5-1:1993
Edition 1994-07

Telecontrol equipment and systems - Part 5: Transmission protocols; section 2: Link transmission procedures (IEC 60870-5-2:1992); German version EN 60870-5-2:1993
Edition 1994-07

Fire safety of large roofs for buildings - Fire exposure from below - Part 3: Roof penetrations and roof edges - Requirements and testing
Edition 2022-12

Plastics piping systems - Thermoplastics valves - Test methods for resistance to internal pressure and leaktightness; German version EN 917:1997
Edition 1997-03

Transmission systems for audio and/or video and related signals using infra-red radiation - Part 7: Digital audio signals for conference and similar applications (IEC 61603-7:2003); German version EN 61603-7:2003
Edition 2004-04

Semiconductor devices - Part 16-8: Microwave integrated circuits - Limiters (IEC 60747-16-8:2022); German version EN IEC 60747-16-8:2023
Edition 2024-04

Fire safety of large roofs for buildings - Fire exposure from below - Part 3: Roof penetrations and roof edges - Requirements and testing
Edition 2018-05

German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Natural stone works
Edition 2023-09

German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Work on back-ventilated curtain walling
Edition 2023-09