HEARING AIDS. PART 13: ELECTROMAGNETIC COMPATIBILITY (EMC).
€61.00
Hearing aids -- Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes.
€35.00
Hearing aids - Part 6: Characteristics of electrical input circuits for hearing aids
€40.00
Electroacoustics - Equipment for the measurement of real-ear acoustical characteristics of hearing aids.
€69.00
Subtitling for deaf and hard-of-hearing people. Subtitling by teletext.
€64.00
Hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes.
€26.00
Électroacoustique - Mesure des caractéristiques de performances acoustiques des appareils de correction auditive sur une oreille réelle
€53.50
DIMENSIONS OF PLUGS FOR HEARING AIDS
€18.00
MARKING OF CONTROL SETTING OF HEARING AIDS
€15.00
MEASUREMENTS OF THE ELECTRO-ACOUSTICAL CHARACTERISTICS OF HEARING AIDS
HEARING AIDS. PART 1: HEARING AIDS WITH INDUCTION PICK-UP COIL INPUT
HEARING AIDS. HEARING AIDS WITH AUTOMATIC GAIN CONTROL CIRCUITS
HEARING AIDS. PART 6: CHARACTERISTICS OF ELECTRICAL INPUT CIRCUITS FORHEARINGS AIDS.
HEARING AIDS. MEASUREMENT OF THE PERFORMANCE CHARACTERISTICS OF HEARING AIDS FOR QUALITY INSPECTION FOR DELIVERY PURPOSE
€59.00
Hearing aids - Part 2: Hearing aids with automatic gain control circuits
€54.00
