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Acoustics. Reference zero for the calibration of audiometric equipment. Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators
STANDARD published on 1.5.1996
Designation standards: ČSN ISO 389-3
Classification mark: 011630
Catalog number: 19348
Note: WITHDRAWN
Publication date standards: 1.5.1996
SKU: NS-178948
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Latest update: 2025-07-06 (Number of items: 2 207 474)
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