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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 6809.12-2021 |
Reciprocating internal combustion engines—Vocabulary of components and systems—Part 12:Exhaust emission control systems 往复式内燃机 零部件和系统术语 第12部分：排放控制系统 |
China National Standards 12:Exhaust |
 English PDF |
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