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English versions: GB/T 45168-2024
GB/T 45070-2024_Chinese: Specification of take-back on waste electrical and electronic product (Chinese: 废弃电器电子产品回收规范)
GB/T 28168-2025_Chinese: Information technology - Middleware - Technical requirement for message-oriented middleware (Chinese: 信息技术 中间件 消息中间件技术要求)
GB/T 28892-2024_Chinese: Surface chemical analysis - X-ray photoelectron spectroscopy - Description of selected instrumental performance parameters (Chinese: 表面化学分析 X射线光电子能谱 选择仪器性能参数的表述)
English versions: GB/T 30784-2024
GB/T 4706.31-2024 Chinese PDF (GB/T4706.31-2024) GB/T 21121-2024 English versions: GB/T 45168-2024GB T 4706. 31 2024_Chinese: Safety of household and similar electrical appliances Part 31: Particular requirements for sauna heating appliances and infrared cabins (Chinese: 31) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4706. 31 2024
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