Fibre optic interconnecting devices and passive components - Performance standard - Part 081-02: Non-connectorized single-mode fibre optic middle-scale 1 x N DWDM devices for category C - Controlled environments (IEC 86B/4390/CD:2020); Text in English
Edition 2021-07

Vibration measuring instrumentation - Fundamental requirements and verification
Edition 1996-12

Type B helical video recorders; identical with IEC 60602:1980 (status of 1987)
Edition 1989-01

Methods of measurement for equipment used in terrestrial radio-relay systems; measurements for sub-systems; frequency modulators; identical with IEC 60487-2-4, edition 1984
Edition 1988-08

Determination of airborne noise emitted by machines by, measurement of structure borne noise; basic requirements
Edition 1985-06

Methods of measurement for equipment used in digital microwave radio transmission systems - Part 2: Measurements for terrestrial radio-relay systems; section 7: Diversity switching and combining equipment (IEC 60835-2-7:1994); German version EN 60835-2-7:1994
Edition 1994-10

Integrated Services Digital Network (ISDN); user-network interface layer 3; specification for basic call control; english version ETS 300102-1:1990
Edition 1992-02

Communication networks and systems for power utility automation - Part 7-420: Basic communication structure - Distributed energy resources and distribution automation logical nodes (IEC 61850-7-420:2021); English version EN IEC 61850-7-420:2021
Edition 2024-05

Thermal insulation and energy economy in buildings - Part 7: Air tightness of buildings - Requirements, recommendations and examples for planning and performance
Edition 2011-01

Aerospace series - Modular and Open Avionics Architectures - Part 005: Software; German and English version EN 4660-005:2019, only on CD-ROM
Edition 2020-07