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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

GB 20890-2007 is a current mandatory Chinese national standard for Test procedures and requirement of durability of emission control systems for heavy-duty vehicles. It appears in the Auto compliance cluster with a product safety focus and has an implementation date of Oct 1, 2007.

Applicability depends on product scope, certification route, competent authority notices and transition rules. Request a translation or verify source before using this record in a compliance decision.