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Title | Submission Date | Version | Published Under | Contribution | Downloads |
BS EN ISO 389-4:1994 : Implementation of ISO 389-4:1994 Acoustics — Reference zero for the calibration of audiometric equipment — Part 4. Reference levels for narrow-band masking noise | 2022-10-21 17:04:04.593 | 1 | MJMS | Data Entry Person | 0 |