GB 12664-2024 Chinese PDF GB/T 45278.1-2025 3-2025_Chinese: Information technology - Virtual

3-2025_Chinese: Information technology - Virtual reality content representation - Part 3: Audio (Chinese: 信息技术 虚拟现实内容表达 第3部分: 音频)

English versions: GB/T 26436-2025

GB/T 26846-2024_Chinese: Lead-out wire and connector of motor and controller used for electric bicycles (Chinese: 电动自行车用电动机和控制器的引出线及接插件)

straight and shouldered

GB/T 45590-2025_Chinese: Detection and identification of Le ptos phaeria lindquistii Frezzi (Chinese: 向日葵黑茎病菌检疫鉴定方法)

GB 12664-2024 Chinese PDF GB/T 45278.1-2025 3-2025_Chinese: Information technology - VirtualGB 12664 2024_Chinese: General technical requirements for portable X ray security inspection equipment (Chinese: X) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 12664 2024