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ČSN ISO 389-4:1996/1 (011630)
Akustika. Referenční nula pro kalibraci audiometrických přístrojů. Část 4: Referenční hladiny pro úzkopásmový maskovací šum.
Automatically translated name:
Acoustics. Reference zero for the calibration of audiometric equipment. Part 4: Reference levels for narrow-band masking noise.
STANDARD published on 1.4.1999
The information about the standard:
Designation standards: ČSN ISO 389-4:1996/1
Classification mark: 011630
Catalog number: 55660
Note: Change
Publication date standards: 1.4.1999
SKU: NS-178949
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
This change (correction) applies to this standard:
ČSN ISO 389-4 (011630)
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Acoustics. Reference zero for the calibration of audiometric equipment. Part 4: Reference levels for narrow-band masking noise
Standard published on 1.5.1996
Selected format: Czech - Print design (5.00 USD)
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