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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)
2-2024_Chinese: Machine tools safety - Presses - Part 2: Safety requirements for mechanical presses (Chinese: 机床安全 压力机 第2部分：机械压力机安全要求)
GB 44506-2024_Chinese: Chinese people‘s police emblem (Chinese: 人民警察警徽)
GB/T 44882-2024_Chinese: Information technology - Closed captioning (Chinese: 信息技术 可关闭字幕)
GB/T 21672-2024_Chinese: Quick frozen coated shrimp or prawn (Chinese: 速冻裹衣虾)
GB/T 2820.9-2024 Chinese PDF (GB/T2820.9-2024) GB/T 33588.5-2025 GB/T 45637-2025_Chinese: Electrically operated toothbrushesGB T 2820. 9 2024_Chinese: Reciprocating internal combustion engine driven alternating current generating sets Part 9: Measurement and evaluation of mechanical vibrations (Chinese: 9) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 2820. 9 2024
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