GB/T 14910-2023 Chinese PDF (GB/T14910-2023) GB/T 13523-2024 English versions: GB 25038-2024

English versions: GB 25038-2024

English versions: GB/T 21199-2024

English versions: GB/T 45580-2025

GBZ45492-2025_Chinese: Course development guide for education about standardization - National quality infrastructure and its application (Chinese: 标准化教育课程建设指南 国家质量基础设施（NQI）及应用)

GB/T 39733-2024_Chinese: Recycling iron-steel materials (Chinese: 再生钢铁原料)

GB/T 14910-2023 Chinese PDF (GB/T14910-2023) GB/T 13523-2024 English versions: GB 25038-2024GB T 14910 2023_Chinese: Plain bearings Technical requirements on backings for thick walled multilayer bearings (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 14910 2023