IEVref:
801-28-20
ID:
Language:
en
Status:
Standard
Term:
hearing aid
Synonym1:
Synonym2:
Synonym3:
Symbol:
Definition:
portable instrument intended to assist the hearing of persons with impaired hearing, usually consisting of a microphone, amplifier and earphone or bone vibrator
Publication
date
:
1994-07
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
portable instrument intended to assist the hearing of persons with impaired hearing, usually consisting of a microphone, amplifier and earphone or bone vibrator