Simulateur d'oreille occluse pour la mesure des écouteurs couples à l'oreille par des embouts
€77.67
Hearing aids - Part 3: Hearing aid equipment not entirely worn on the listener
€41.00
HEARING AIDS. PART 1: HEARING AIDS WITH INDUCTION PICK-UP COIL INPUT
€20.00
Hearing aids; hearing aids with automatic gain control circuits; identical with IEC 60118-2, edition 1983
€41.78
MEASUREMENTS OF THE ELECTRO-ACOUSTICAL CHARACTERISTICS OF HEARING AIDS
€68.00
REFERENCE COUPLER FOR THE MEASUREMENT OF HEARING AIDS USING EARPHONES COUPLED TO THE EAR BY MEANS OF EAR INSERTS
€32.00
DIMENSIONS OF PLUGS FOR HEARING AIDS
MARKING OF CONTROL SETTING OF HEARING AIDS
€16.00
Characteristics & method of test of air conduction hearing aids using electronic amplification
€269.00
Polarized & non-polarized plugs for use on hearing aids.
