Projekta Nr.HD 450.1 S1:1984
NosaukumsThe purpose of this standard is to describe a method of determining the physicalperformance of hearing aids using an induction pick-up coil within an audio-frequency magnetic field - The methods specified in this publication give information on the measurement in Sub-clauses 4.4 and 4.5
Reģistrācijas numurs (WIID)49037
Darbības sfēraThe purpose of this standard is to describe a method of determining the physicalperformance of hearing aids using an induction pick-up coil within an audio-frequency magnetic field - The methods specified in this publication give information on the measurement in Sub-clauses 4.4 and 4.5
StatussAtcelts
ICS grupaNav uzstādīts