DIN EN ISO 389-4 : 1999
DIN EN ISO 389-4 : 19991470895
DIN EN ISO 389-4 : 1999
Title: Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise (ISO 389-4:1994)
Year: 1999
Publisher: DIN Media GmbH
Availability: Within 1-2 working days
Title: Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise (ISO 389-4:1994)
Year: 1999
Publisher: DIN Media GmbH
Availability: Within 1-2 working days
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