BS 2497-4:1972 PDF Download
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Specification for a reference zero for the calibration of pure-tone audiometers-Normal threshold of hearing for pure tones by bone conduction
standard by BSI Group, 07/25/1972
Document Format: PDF
Description
Specifies value of acceleration corresponding to the audiometric zero for bone conduction listening to pure tones.
All current amendments available at time of purchase are included with the purchase of this document.
Product Details
- Published:
- 07/25/1972
- ISBN(s):
- 0580073645
- Product Code(s):
- 10044608
- Note:
- This product is unavailable in Ukraine, Russia, Belarus