听力计

• Audiometers . part 4 : equipment for extended high - frequency audiometry
  听力计第四部分:延伸高频测听的设备
• Diagnostic impedance audiometer
  诊断用阻抗听力计
• Clinical impedance audiometer
  临床阻抗听力计
• Specification for audiometers
  听力计规范
• Aural impedance audiometers
  阻抗听力计
• Audiometers - part 2 : equipment for speech audiometry iec 60645 - 2 : 1993 ; german version en 60645 - 2 : 1997
  听力计.第2部分:语言测听装置
• Audiometers - auditory test signals of short duration for audiometric and neuro - otological purposes
  听力计.第3部分:声学和耳神经学用短持续试验信号
• Audiometers - part 4 : equipment for extended high - frequency audiometry iec 60645 - 4 : 1994 ; german version en 60645 - 4 : 1995
  听力计.第4部分:高频声学设备
• Audiometers - part 3 : auditory test signals of short duration for audiometric and neuro - otological purposes
  听力计.第3部分:声学和耳神经学用短持续试验信号
• Specification for artificial mastoids for the calibration of bone vibrators used in hearing aids and audiometers
  助听器及听力计中骨传导振动器校准用仿真乳突规范