Sound system equipment - Methods of measuring and specifying the performance of sounders (electroacoustic transducers for tone production) (IEC 61329:1995); German version EN 61329:1996
Edition 1996-06

Measurement and control; digital measuring instruments; instruments for measuring time reference quantities; definitions, tests and data sheet details
Edition 1990-06

Aerospace series - Electrical contacts used in elements of connection - Part 009: Contacts, electrical, female 009, type A, crimp, class S - Product standard; German version ASD-STAN prEN 3155-009:2024
Edition 2024-10

Non-destructive testing - Thermographic testing - Active thermography; German version EN 17119:2018
Edition 2018-10

Time-dependent quantities; terms for the time-dependency
Edition 1983-06

Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: Reference threshold of hearing for test signals of short duration (ISO 389-6:2007); German version EN ISO 389-6:2007
Edition 2007-10

Radiometric and photometric properties of materials; definitions characteristics
Edition 1978-07

Quantities and units - Part 2: Mathematics (ISO 80000-2:2019, Corrected version 2021-11); German version EN ISO 80000-2:2019
Edition 2023-08

Cinematography - Analogue photographic sound test films, 35 mm and 16 mm - Specifications (ISO 6025:2000)
Edition 2003-04

Optics and photonics - FAC-lenses - Terms, definitions and requirements for data sheets
Edition 2011-10