DS/INSTA 671
Hearing protection devices - Test methods
inactive, Most Current
| Organization: | DS |
| Publication Date: | 14 April 1988 |
| Status: | inactive |
scope:
The standard contains test methods for hearing protection de vices. It includes both objective attenuation and subjective attenuation.
Document History
DS/INSTA 671
April 14, 1988
Hearing protection devices - Test methods
The standard contains test methods for hearing protection de vices. It includes both objective attenuation and subjective attenuation.
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