Standard Test Method for Measuring Friction and Adhesive Wear Properties of Lubricated and Nonlubricated Materials Using the Twist Compression Test (TCT)
Edition 2023

Specification for screen terminating devices for aircraft electric cables
Edition 1989-08-31

Integrated Services Digital Network (ISDN); 3,1 kHz telephony teleservice; end-to-end compatibility requirements for telephony terminals; english version ETS 300082:1992
Edition 1992-06

Integrated Sevices Digital Network (ISDN); 3,1 kHz telephony teleservice; attachment requirements for handset terminals; english version ETS 300085:1990
Edition 1992-02

Power line communication systems for power utility applications - Part 2: Analogue power line carrier terminals or APLC (IEC 62488-2:2017); English version EN 62488-2:2017
Edition 2019-06

Methods of measurement for radio equipment used in satellite earth stations - Part 3: Methods of measurement on combinations of sub-systems; section 4: Measurements for frequency division multiplex (f.d.m.) transmission (IEC 60510-3-4:1992); German version EN 60510-3-4:1994
Edition 1994-09

Methods of measurement for equipment used in terrestrial radio-relay systems; simulated systems; measurement for f.d.m. transmission; identical with IEC 60487-3-4, edition 1982
Edition 1987-09

Transmission systems and two-ports; measures for attenuation
Edition 1971-11

Railway applications - Axlebox lubricating greases - Part 2: Method to test the mechanical stability to cover vehicle speeds up to 200 km/h; German version EN 14865-2:2006+A2:2010
Edition 2011-01

Aerospace series - Elements of electrical and optical connection - Test methods - Part 403: Sinusoidal and random vibration; German version ASD-STAN prEN 2591-403:2024
Edition 2024-05