NEN-EN-ISO 389-7:2019
Current
Current
The latest, up-to-date edition.
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
Available format(s)
Hardcopy
Language(s)
English
Published date
01-12-2019
Publisher
NEN-EN-ISO 389-7 in addition to ISO 16092-1, specifies the technical safety requirements and measures to be adopted by persons undertaking the design, manufacture and supply of pneumatic presses which are intended to work cold metal or material partly of cold metal.
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