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| Chinese National Standard Category: Farming and foresting machinery and tools |
| English Title: | Stationary machinery for agriculture. Determination of sound power levels |
| Chinese Title: | 固定式农业机械 噪声声功率级的测定 |
| Standard No.: | JB/T 9796-1999 |
| Category No.: | B90 |
| Issued by: | National Technical Committee on Standardization of Agricultural Mechanization |
| Issued on: | 1999-08-06 |
| Implemented on: | 2000-1-1 |
| Status: | superseded |
| Superseded by: | GB/T 3768-1996 Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using an enveloping measurement surface over a reflecting plane |
| Superseded on: | 2010-1-20 |
| Abolished on: | |
| Superseding: | ZB B90007-1989 |
| Word Count: | 6500 words |
| Similar Standards: | DB32/T 4194-2021 DB31/T 397-2021 JB/T 9791-1999 DB65/T 3288-2011 DB32/T 4257-2021 DB32/T 4256-2021 GB/T 33003-2016 GB/T 4268.2-1987 DB37/T 4176-2020 DB32/T 4254-2021 DB32/T 4255-2021 DB32/T 4575-2023 DB32/T 4191-2021 GB/T 16775-1997 GB 6959-1986 GB/T 42608-2023 GB/T 42607-2023 GB/T 43326.2-2023 GB/T 43326.4-2023 GB/T 43326.1-2023 |
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