CENELEC - HD 499 S1
Integrating-Averaging Sound Level Meters
active, Most Current
| Organization: | CENELEC |
| Publication Date: | 1 January 1990 |
| Status: | active |
| Page Count: | 3 |
| ICS Code (Metrology and measurement. Physical phenomena): | 17 |
Document History
HD 499 S1
January 1, 1990
Integrating-Averaging Sound Level Meters
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