CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 9726 | LVS EN 26189:2001 | Acoustics - Pure tone air conduction threshold audiometry for hearing conservation purposes | Atcelts |
| 9727 | EN 27029:1991 | Acoustics - Threshold of hearing by air conduction as a function of age and sex for otologically normal persons (ISO 7029:1984) | Atcelts |
| 9727 | LVS EN 27029:1991 | Acoustics - Threshold of hearing by air conduction as a function of age and sex for otologically normal persons (ISO 7029:1984) | Atcelts |
| 9728 | EN 27566:1991 | Acoustics - Standard reference zero for the calibration of pure-tone bone conduction audiometers (ISO 7566:1987) | Atcelts |
| 9728 | LVS EN 27566:1991 | Acoustics - Standard reference zero for the calibration of pure-tone bone conduction audiometers (ISO 7566:1987) | Atcelts |
| 9729 | EN 28798:1991 | Acoustics - Reference levels for narrow-band masking noise (ISO 8798:1987) | Atcelts |
| 9729 | LVS EN 28798:1991 | Acoustics - Reference levels for narrow-band masking noise (ISO 8798:1987) | Atcelts |
| 9730 | EN 21680-1:1991 | Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machinery - Part 1: Engineering methods for free-field conditions over a reflecting plane (ISO 1680-1:1986) | Atcelts |
| 9730 | LVS EN 21680-1:1991 | Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machinery - Part 1: Engineering methods for free-field conditions over a reflecting plane (ISO 1680-1:1986) | Atcelts |
| 9731 | EN 21680-2:1991 | Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machinery - Part 2: Survey method (ISO 1680-2:1986) | Atcelts |
Displaying 21-30 of 424 results.