Reference number
ISO/R 1999:1971
ISO/R 1999:1971
Acoustics — Assessment of occupational noise exposure for hearing conservation purposes
Edition 1
1971-01
Withdrawn
ISO/R 1999:1971
56849
Withdrawn (Edition 1, 1971)

General information

  •  : Withdrawn
     : 1971-01
    : Withdrawal of International Standard [95.99]
  •  : 1
     : 7
  • ISO/TC 43
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