Transmission of audio and/or video and related signals using infra-red radiation - Part 1: General (IEC 61603-1:1997); German version EN 61603-1:1997
Edition 1997-09

Distribution automation using distribution line carrier systems - Part 4: Data communication protocols; section 32: Data link layer; logical link control (LLC) (IEC 61334-4-32:1996); German version EN 61334-4-32:1996
Edition 1997-09

Video cameras (PAL/SECAM/NTSC) - Methods of measurement - Part 3: Non-broadcast camera-recorders (IEC 61146-3:1997); German version EN 61146-3:1997
Edition 1998-08

Methods of measurement on receivers for television broadcast transmissions - Part 2: Audio channels - General methods and methods for monophonic channels (IEC 60107-2:1997); German version EN 60107-2:1997
Edition 1997-12

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

Industrial valves - Metallic butterfly valves; German and English version prEN 593:2019
Edition 2019-12

Copper and copper alloys - Rod for free machining purposes; German and English version prEN 12164:2022
Edition 2022-09

Fans - Safety requirements; German and English version prEN 17170:2017
Edition 2017-10

Transportable wall saw and wire saw equipment for job site - Safety; German and English version prEN 15027:2023
Edition 2024-02

Core drilling machines on stand - Safety; German and English version prEN 12348:2023
Edition 2024-02