BS 2497-2:1969
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Specifies value of sound pressure level corresponding to audiometric zero for monaural earphone listening to pure tones of certain stated frequencies.
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Product Details
- Published:
- 03/10/1971
- ISBN(s):
- 0580004856
- Product Code(s):
- 10044571
- Note:
- This product is unavailable in Ukraine, Russia, Belarus