汽车及挂车外部照明和光信号装置的安装规定 (GB 4785-2019 附录) Prescription for installation of the external lighting and light-signalling devicesfor motor vehicles and their trailers 发布时间: 2019-12-17 实施时间: 2020-07-01 阅读数量: (140) 标准分类: T 车辆