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| International Standard Category: Pressure charging and air/exhaust gas ducting systems |
GB/T 28957.1-2012 Road vehicles—Test dust for filter evaluation—Part 1:Silicon dioxide test dust
道路车辆 用于滤清器评定的试验粉尘 第1部分：氧化硅试验粉尘;
| Category No.: | 43.060.20 | Valid Status: | to be abolished |
| Issued Organization: | AQSIQ;SAC | Issued Date: | 2012-12-31 |
| Implemented Date: | 2013-7-1 | Abolished Date: | 2024-08-01 |
| Superseded Standard.: | GB/T 28957.1-2023 Road vehicles—Test dust for filter evaluation—Part 1:Silicon dioxide test dust |
Superseded Date: | 2024-8-1 |
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