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| International Standard Category: Noise emitted by machines and equipment |
GB 7441-1987 Noise measurement method for the power plant turbine generator
电站汽轮发电机组噪声测量方法 ;
| Category No.: | 17.140.20 | Valid Status: | superseded |
| Issued Organization: | China State Bureau of Standards | Issued Date: | 1987-03-17 |
| Implemented Date: | 1987-11-1 | Abolished Date: | 2009-04-01 |
| Superseded Standard.: | GB/T 7441-2008 Measurement of airborne noise emitted by steam turbines and driven machinery |
Superseded Date: | 2009-4-1 |
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