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 - Micro-electromechanical devices - Part 7: MEMS BAW filter and duplexer for radio frequency control and selection (IEC 62047-7:2011); German version EN 62047-7:2011
Edition 2012-02

Fire behaviour of building materials and building components - Part 4: Synopsis and application of classified building materials, components and special components; Amendment A1
Edition 2023-04

Optics and photonics - Microlens arrays - Part 4: Test methods for geometrical properties (ISO/DIS 14880-4:2023); German and English version prEN ISO 14880-4:2023
Edition 2023-05

Eurocode 2 - Design of concrete structures - Part 4: Design of fastenings for use in concrete; German version EN 1992-4:2018
Edition 2019-04

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Transaction Capabilities (TC) version 2 - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300287-2:1996
Edition 1997-11

Railway Applications - Gauges - Part 4: Catalogue of defined gauges; German and English version prEN 15273-4:2023
Edition 2023-04

Integrated Services Digital Network (ISDN) - Signalling System no. 7 - Routeing in support of ISDN User Part (ISUP) version 2 services; English version ETS 300334:1995
Edition 1996-12

Safety of toys - Part 4: Experimental sets for chemistry and related activities; German and English version EN 71-4:2020/prA1:2024
Edition 2024-08

Open communication in building automation, controls and building management - Control Network Protocol - Part 7: Communication via internet protocols; English version prEN 14908-7:2018
Edition 2018-09