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GB/T 21461.1-2023 Chinese PDF (GB/T21461.1-2023) GB/T 45279.3-2025 GB/T 13305-2024_Chinese: Method for determining

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GB/T 13305-2024_Chinese: Method for determining content of the α-phase in stainless steels (Chinese: 不锈钢中α-相含量测定法)

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 12664-2024_Chinese: General technical requirements for portable X-ray security inspection equipment (Chinese: 便携式X射线安全检查设备技术规范)

English versions: GB 23826-2025

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GB/T 21461.1-2023 Chinese PDF (GB/T21461.1-2023) GB/T 45279.3-2025 GB/T 13305-2024_Chinese: Method for determiningGB T 21461. 1 2023_Chinese: Plastics Ultra high molecular weight polyethylene (PE UHMW) moulding and extrusion materials Part 1: Designation system and basis for specifications (Chinese: PE UHMW 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21461. 1 2023

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