BS 3383:1961

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Frequency range 20 to 15 000 c/s, under stated conditions, relations between sound pressure level and frequency for pure-tones of equal loudness, values for threshold of hearing. For otologically normal persons aged 18 to 25. Correction formulae for otologically normal persons up to 60 years.

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Product Details

Published:

05/19/1961

ISBN(s):

null

Product Code(s):

10061148

Note:

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