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| Chinese National Standard Category: Noise and vibration test methods |
| English Title: | Measurement Method for Microporous Exhaust Muffler |
| Chinese Title: | 微孔排气消声器 测量方法 |
| Standard No.: | JB/T 6972-1993 |
| Category No.: | Z32 |
| Issued by: | Ministry of Machine Building |
| Issued on: | 1993-7-27 |
| Implemented on: | 1994-7-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 3000 words |
| Similar Standards: | GB/T 19884-2005 GB/T 19887-2005 GB/T 4214.3-2023 GB/T 41311.1-2022 GB/T 4214.11-2021 GB/T 4214.13-2021 GB/T 4214.12-2021 GB/T 4214.15-2021 GB/T 4214.14-2021 GB/T 4214.9-2021 GB/T 4214.7-2020 GB/T 4214.4-2020 GB/T 4214.2-2020 GB/T 4595-2020 GB/T 37242-2018 GB/T 4214.1-2017 GB/T 4214.7-2012 GB/T 25516-2010 GB 24929-2010 GB/T 4214.4-2008 |
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