Tabular layouts of article characteristics for loudspeakers, receiver capsules, microphones and transmitter capsules
€34.30
Hearing aids; hearing aids with induction pick-up coil input; identical with IEC 60118-1, edition 1983
Hearing aids; hearing aids with automatic gain control circuits; identical with IEC 60118-2, edition 1983
€41.78
Hearing aids Methods for measurement of the performance characteristics hearing quality inspection on delivery
€193.00
Hearing aids Methods for measurement of the performance characteristics hearing under simulated in situ working conditions
Acoustic, electroacoustic; standard frequencies for measurements
Integrating-averaging sound level meters
€176.00
Hearing aids. Part 9: Methods of measurement of characteristics of hearing aids with bone vibrator output
€44.00
Hearing aids. Part 6: Characteristics of electrical input circuits for hearing aids
€22.00
Hearing aids Methods for measurement of electroacoustical characteristics hearing aid equipment not entirely worn on the listener
€269.00
Hearing aids Method for measurement of characteristics hearing with induction pick-up coil input
€165.00
Hearing aids Methods for measurement of electroacoustical characteristics hearing with automatic gain control circuits
Hearing aids Methods for measurement of electroacoustical characteristics
Hearing aids Specification for symbols and other markings on hearing related equipment
Matériels téléphoniques et télématiques - Téléphonométrie - (Complété par le RECTIFICATIF DE SEPTEMBRE 1984)
€126.00
