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GB/T 45637-2025_Chinese: Electrically operated toothbrushes - Methods for measuring the performance (Chinese: 电动牙刷 性能测试方法)
English versions: GBZ45268-2025
English versions: GB/T 21199-2024
English versions: GB 44504-2024
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)
GB/T 14308-2023 Chinese PDF (GB/T14308-2023) GB/T 44994-2024 GB/T 45637-2025_Chinese: Electrically operated toothbrushesGB T 14308 2023_Chinese: Classification and accreditation for star rated tourist hotels (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 14308 2023
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