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Specifies general requirements for audiometers and particular requirements for pure-tone audiometers designed for use in determining hearing threshold levels in comparison with the standard reference threshold level by means of psycho-acoustic test methods.
Reģistrācijas numurs (WIID)
43099
Darbības sfēra
Specifies general requirements for audiometers and particular requirements for pure-tone audiometers designed for use in determining hearing threshold levels in comparison with the standard reference threshold level by means of psycho-acoustic test methods.
