Description et mesurage des propriétés physiques du bang sonique
€25.00
Code d'essai pour la mesure du bruit émis par les véhicules circulant sur rails
€47.00
Amendment 1 - Recommended methods for measurements of the electro-acoustical characteristics of hearing aids
€22.00
Assessment of working noise in the vicinity
€83.76
Amendment 2 - Magnetic tape recording and reproducing systems: Dimensions and characteristics
€11.00
First supplement
€44.00
First supplement - Sound system equipment - Part 14: Mechanical design features
Precision sound level meters
€88.00
Dimensions of plugs for hearing aids.
IEC reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts
Fréquences normales pour les mesures acoustiques
Méthodes de mesure des caractéristiques des microphones - Prescriptions générales
€114.00
Amendment 3 - Processed disk records and reproducing equipment
Specification for a reference zero the calibration of pure-tone audiometers Normal threshold hearing pure tones by bone conduction
€165.00
Amendment 1 to first supplement - Recommendations for magnetic tape recording and reproducing systems: Dimensions and characteristics