National Acoustic Laboratories Library

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ISO 226 Acoustics - normal equal-loudness-level contours by
Edition: 2nd
Material type: Text Text; Format: print ; Literary form: Not fiction
Geneva ISO 2003
Availability: Items available for reference: National Acoustic Laboratories: Not for loan (1).
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ISO 389-7. Acoustics - reference zero for the calibration of audiometric equipment. Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions by
Edition: 2nd
Material type: Text Text; Format: print ; Literary form: Not fiction
Geneva ISO 2005
Availability: Items available for reference: National Acoustic Laboratories: Not for loan (1).
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