Acoustics; pure tone air conduction threshold audiometry for hearing conservation purposes
€48.79
Guide pour la rédaction des normes sur le mesurage du bruit aérien et l'évaluation de ses effets sur l'homme
€59.41
Noise control by means of shielding in near fields; partial enclosures of noise sources
€71.85
Acoustique. Audiomètres.
€74.20
Speech communication in work places under the influence of disturbing noise; terms and definitions, connexions
€34.30
ASSESSMENT OF NOISE WITH RESPECT TO COMMUNITY RESPONSE
€56.00
Assessment of noise in the working area with regard to specific operations
€51.99
ARTIFICIAL EAR OF THE WIDE BAND TYPE FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY
€41.00
Sentence lists for intelligibility test
€24.39
Sound recording medium for the hearing test using speech in accordance with DIN 45621 part 2 (recording 1973); requirements
Speech audiometer; terminology, requirements, testing
Method of test for estimating the risk of hearing handicap due to noise exposure
€165.00
Vocabulaire électrotechnique - Groupe 85 : électroacoustique - Acoustique physiologique et psychoacoustique
€70.54
Specification for an artificial mastoid for the calibration of bone vibrators used in hearing aids and audiometers
€269.00
Specification for a reference zero the calibration of pure-tone audiometers Normal threshold hearing pure tones by bone conduction
