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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| QC/T 1172-2022 |
Performance requirements and bench test methods for exhaust mufflers used in automotive air brake components {译} 汽车气压制动部件用排气消音器性能要求及台架试验方法 |
China Automobile Industry
Standards mufflers |
 English PDF |
| NB/T 10940-2022 |
Specifications for exhaust mufflers of thermal power plants {译} 火力发电厂排汽消声器技术条件 |
China Energy Industry
Standards mufflers |
English PDF |
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