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| Chinese National Standard Category: Physics and Mechanics |
| English Title: | Reference sound source |
| Chinese Title: | 标准噪声源 |
| Standard No.: | GB 4129-1984 |
| Category No.: | A42 |
| Issued by: | |
| Issued on: | |
| Implemented on: | 1984-10-1 |
| Status: | superseded |
| Superseded by: | GB/T 4129-1995 Acoustics--Determination of sound power levels of noise sources--Requirements for the performance and calibration of reference sound source |
| Superseded on: | 1996-2-1 |
| Abolished on: | |
| Superseding: | |
| Word Count: | 1500 words |
| Similar Standards: | GB/T 44454-2024 GB/T 44234-2024 GB/T 43845-2024 GB/T 44075-2024 GB/T 44076-2024 GB 6075-1985 GB/T 43682-2024 GB/T 30544.12-2023 GB/T 42106-2022 GA/T 1727-2020 GB 3241-1982 GB/T 13592-1992 GB/T 14573.4-1993 GB/T 5265-1985 GB/T 14465-1993 GB/T 15508-1995 GB 3239-1982 GB 4129-1984 QJ 2632-1994 QJ A 1293-1998 |
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