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| International Standard Category: Transport exhaust emissions |
GB 20890-2007 Test Procedures and Requirement of Durability of Emission Control Systems for Heavy-duty Vehicles
重型汽车排气污染物排放控制系统耐久性要求及试验方法 ;
| Category No.: | 13.040.50 | Valid Status: | valid |
| Issued Organization: | State Environmental Protection Administration | Issued Date: | 2007-04-25 |
| Implemented Date: | 2007-10-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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