GB/T 15597.2-2024 Chinese PDF (GB/T15597.2-2024) GB 28008-2024 GB/T 31968-2025_Chinese: Rare earth composite

GB/T 31968-2025_Chinese: Rare earth composite yttrium zirconium oxide ceramic powder (Chinese: 稀土复合钇锆陶瓷粉)

GB/T 45652-2025_Chinese: Cybersecurity technology - Security specification for generative artificial intelligence pre-training and fine-tuning data (Chinese: 网络安全技术 生成式人工智能预训练和优化训练数据安全规范)

7-2024_Chinese: Technical requirements of dry process cement production complete equipment - Part 7: Denitration system (Chinese: 新型干法水泥生产成套装备技术要求 第7部分：脱硝系统)

rye and their flours

GB/T 15597.2-2024 Chinese PDF (GB/T15597.2-2024) GB 28008-2024 GB/T 31968-2025_Chinese: Rare earth compositeGB T 15597. 2 2024_Chinese: Plastics Poly(methyl methacrylate)(PMMA)moulding and extrusion materials Part 2: Preparation of test specimens and determination of properties (Chinese: (PMMA) 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15597. 2 2024