ANSI S3.1-1999. Reaffirmed by ANSI 10/15/2003. Maximum permissible ambient noise levels for audiometric test rooms
Material type:![Text](/opac-tmpl/lib/famfamfam/BK.png)
Item type | Current library | Call number | Status | Date due | Barcode | |
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National Acoustic Laboratories On Display | ANSI S3.1-1999 | Available | 311135 |