RO
STAS 9678-74
Physical acoustics. Expresion of the acoustic power and intensity levels of sound or noise
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Status :
Withdrawn
Approval date : 1/1/1974
Publish date : 1/2/1974
Number of pages : 2
ICS :
Technical Committee : -1 - Standards that do not belong to the heritage of any technical committee
- Replaced by STAS 6451/1-78