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| International Standard Category: Pressure charging and air/exhaust gas ducting systems |
QC/T 631-2009 Automotive exhaust muffler assembly technical specification and test methods
汽车排气消声器总成技术条件和试验方法 ;
| Category No.: | 43.060.20 | Valid Status: | valid |
| Issued Organization: | State Economic and Trade Commission | Issued Date: | 2009-11-17 |
| Implemented Date: | 2010-4-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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