Home / Standards / GB/T 6809.2-2006 GB/T 6809.2-2006 Abolished Reciprocating internal combustion engines - Vocabulary of components and systems - Part 2: Valves,camshaft drive and actuating mechanisms 往复式内燃机零部件和系统术语 第2部分：气门、凸轮轴传动和驱动机构 Standard Type GBT ICS 27.020 CCS J90 Status 废止 Issue Date 2006-02-07 Implementation 2006-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会