GB/T 18238.3-2024 Chinese PDF (GB/T18238.3-2024) GB/T 45135-2024 3-2023_Chinese: Buried polyethylene(PE) piping systems

3-2023_Chinese: Buried polyethylene(PE) piping systems for the supply of gaseous fuels - Part 3: Fittings (Chinese: 燃气用埋地聚乙烯（PE）管道系统 第3部分：管件)

GB 44506-2024_Chinese: Chinese people‘s police emblem (Chinese: 人民警察警徽)

21-2023_Chinese: Mechanical structures for electrical and electronic equipment - Dimensions of mechanical structures of the 482

5-2024_Chinese: Artificial intelligence medical device - Quality requirements and evaluation - Part 5: Pre-trained models (Chinese: 人工智能医疗器械 质量要求和评价 第5部分：预训练模型)

GB/T 18238.3-2024 Chinese PDF (GB/T18238.3-2024) GB/T 45135-2024 3-2023_Chinese: Buried polyethylene(PE) piping systemsGB T 18238. 3 2024_Chinese: Cybersecurity technology Hash functions Part 3: Dedicated hash functions (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18238. 3 2024