GB/T 45504-2025 Chinese PDF (GB /T45504-2025) GB/T 34275-2024 GB/T 45408-2025_Chinese: Information technology -

GB/T 45408-2025_Chinese: Information technology - Big data for ecological environment - Data classification and code (Chinese: 信息技术 生态环境大数据 数据分类与代码)

GB/T 45018-2024_Chinese: Tires intelligent manufacturing - Data dictionary (Chinese: 轮胎智能制造 数据字典)

GB/T 14896

English versions: GB 15093-2025

English versions: GB/T 45526-2025

GB/T 45504-2025 Chinese PDF (GB /T45504-2025) GB/T 34275-2024 GB/T 45408-2025_Chinese: Information technology -GB T 45504 2025_Chinese: Nanotechnologies Nanostructured porous alumina as catalyst support for vehicle exhaust emission control Characteristics and measurement methods (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45504 2025