Transmissionsystems and twoports; concepts and quantities
Edition 1978-11

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-38: Examinations and measurements - Group delay, chromatic dispersion and phase ripple (IEC 61300-3-38:2012); German version EN 61300-3-38:2012
Edition 2013-04

Methods of measurement for radio equipment used in satellite earth stations; measurement common to sub-systems and combinations of sub-systems; measurement in the r.f. range; identical with IEC 60510-1-2:1984
Edition 1988-12

Letter symbols to be used in electrical technology - Part 2: Telecommunications and electronics (IEC 60027-2:2019); German version EN IEC 60027-2:2019
Edition 2023-02

Non-destructive testing - NDT training syllabuses (ISO/TS 25107:2019); German version CEN ISO/TS 25107:2019
Edition 2022-04

ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 2: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES AND INSERT EARPHONES. (ISO 389-2:1994).
Edition 1997-02-04

Acoustics. Reference zero for the calibration of audiometric equipment. Part 2: reference equivalent threshold sound pressure levels for pure tones and insert earphones
Edition 1996-11-01

Acoustics - Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones and insert earphones
Edition 2007

Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones
Edition 1994-07

Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and insert earphones
Edition 1995-03-15