ISO/TC 43
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 4376 | ISO 389:1975/Add 1:1983 | Atcelts | |
| 4377 | ISO 389:1975/Add 2:1986 | Atcelts | |
| 4374 | ISO 389:1985 | Acoustics — Standard reference zero for the calibration of pure tone air conduction audiometers | Atcelts |
| 4375 | ISO 389:1991 | Acoustics — Standard reference zero for the calibration of pure-tone air conduction audiometers | Atcelts |
| 4378 | ISO 389-2:1994 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones | Standarts spēkā |
| 22495 | ISO 389-3:1994 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators | Atcelts |
| 26022 | ISO 389-3:1994/Cor 1:1995 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators — Technical Corrigendum 1 | Atcelts |
| 59759 | ISO 389-3:2016 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators | Standarts spēkā |
| 77366 | ISO 389-3:2016/DAmd 1 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators — Amendment 1 | Standarts spēkā |
| 22496 | ISO 389-4:1994 | Acoustics — Reference zero for the calibration of audiometric equipment — Part 4: Reference levels for narrow-band masking noise | Standarts spēkā |
Displaying 51-60 of 127 results.