GB/T 19652-2023 Chinese PDF (GB/T19652-2023) GB/T 150.4-2024 GB/T 19665-2024_Chinese: General specification for

GB/T 19665-2024_Chinese: General specification for infrared imaging measuring and screening instrument of body surface temperature (Chinese: 红外成像人体表面测温筛查仪通用规范)

31-2025_Chinese: Plugs and socket-outlets for household and similar purposes - Part 31: Particular requirements for socket-outlets incorporating USB power supply (Chinese: 家用和类似用途插头插座 第31部分：装有USB电源的插座的特殊要求)

English versions: GB/T 13651-2023

1）第3部分：约束规范)

GB/T 19652-2023 Chinese PDF (GB/T19652-2023) GB/T 150.4-2024 GB/T 19665-2024_Chinese: General specification forGB T 19652 2023_Chinese: Discharge lamps (excluding fluorescent lamps) Safety specifications (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19652 2023