ISO/R 1999:1971
Acoustics — Assessment of occupational noise exposure for hearing conservation purposes

Standard No.

ISO/R 1999:1971

Release Date

1971

Published By

International Organization for Standardization (ISO)

Latest

ISO/R 1999:1971

ISO/R 1999:1971 history

• 1971 ISO/R 1999:1971 Acoustics — Assessment of occupational noise exposure for hearing conservation purposes