Home / Standards / GB/T 6809.12-2021 GB/T 6809.12-2021 Active 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 Standard Type GBT ICS 27.020 CCS J90 Status 现行 Issue Date 2021-04-30 Implementation 2021-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A