1.            

SC32

ISO/SAE 21434:2021

Road vehicles — Cybersecurity engineering

道路车辆——网络安全工程

2.            

SC33

ISO 13988:2021

Passenger car and light truck vehicle wheels — Clip and adhesive balance   weight and rim flange nomenclature, test procedures and performance   requirements

乘用车和轻型卡车车轮   — 夹子和粘合剂平衡重和轮辋法兰命名法、测试程序和性能要求

3.            

SC34

ISO 6622-1:2021

Internal combustion engines — Piston rings — Part 1: Rectangular rings   made of cast iron

内燃机—活塞环—第1部分：铸铁矩形环

4.            

SC34

ISO 7299-2:2021

Diesel engines — End-mounting flanges for pumps — Part 2: High-pressure   supply pumps for common rail fuel injection systems

柴油发动机—泵的端部安装法兰—第2部分：共轨燃油喷射系统的高压供油泵

5.            

SC34

ISO 18669-1:2021

Internal combustion engines — Piston pins — Part 1: General   specifications

内燃机—活塞销—第1部分：一般规范

6.            

SC35

ISO 13837:2021

Road vehicles-Safety glazing materials-Method for the determination of   solar transmittance

道路车辆—安全玻璃材料—太阳光透射比计算方法