GB/T 40853.1-2021高频感性元件 电特性及其测量方法 第1部分:纳亨级片式电感器High frequency inductive components. Electrical characteristics and measuring method. Part 1:Nanohenry range chip inductor
GB/T 40908-2021家具产品及其材料中禁限用物质测定方法 阻燃剂Methods for the determination of prohibited substances in furniture products and related materials. Flame retardants
GB/T 40906-2021家具产品及其材料中禁限用物质测定方法 邻苯二甲酸酯增塑剂Methods for the determination of prohibited substances in furniture products and related materials. Certain phthalate esters
GB/T 40855-2021电动汽车远程服务与管理系统信息安全技术要求及试验方法Technical requirements and test methods for cybersecurity of remote service and management system for electric vehicles