Noise reduction at domestic hot water central heating systems
€71.85
Standardized determination of the rating level for noise immissions
€24.39
Acoustique. Détermination des niveaux de puissance acoustique émis par les sources de bruit. Partie 6 : méthode de contrôle pour les mesures in situ
€74.00
Measurement of airborne noise emitted by machines; enveloping surface method, compressors, vacuum pumps included (displacement-, turbo- and jet compressors)
€34.30
Supplement B - Sound system equipment - Part 3: Sound systems amplifiers
€22.00
Calibration of hydrophones
€325.00
Outdoor sound propagation
€95.21
Amendment 4 - Processed disk records and reproducing equipment
€11.00
Sound carrier for the hearing test using speech in accordance with DIN 45621 (recording 1969)
Sound radiation from industrial buildings
€83.76
Method of test for measurement of the physical properties of sonic bangs
€77.00
Methods for testing and rating air terminal devices distribution systems Acoustic
€193.00
Averaging of time-varying sound levels; rating levels
€41.78
Amendment 3 - Magnetic tape recording and reproducing systems: Dimensions and characteristics
Amendment 2 to first complement - Recommendations for magnetic tape recording and reproducing systems: Dimensions and characteristics
