NBN S 01-013-1979
Acoustics - Standard reference zero for the calibration of pure-tone audiometers

Standard No.

NBN S 01-013-1979

Release Date

1979

Published By

BE-NBN

Latest

NBN S 01-013-1979

NBN S 01-013-1979 history

• 1979 NBN S 01-013-1979 Acoustics - Standard reference zero for the calibration of pure-tone audiometers