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IEC 60373:1971 ed1.0

Заменен
An IEC mechanical coupler for the calibration of bone vibrators having a specified contact area and being applied with a specified static force — 9 стр.
Specifies requirements for mechanical couplers used for calibrating bone-conduction audiometers and for making measurements on bone vibrators and bone-conduction hearing aids in the frequency range from 125 Hz to 8 000 Hz inclusive.
ICS
17.140.50 Electroacoustics. Including sound level meters / Электроакустика. Включая слуховые аппараты и шумомеры