GB/T 17105-2024 Chinese PDF (GB/T17105-2024) GB/T 17529.3-2023 GB/T 45537-2025_Chinese: Requirements of use

GB/T 45537-2025_Chinese: Requirements of use and test methods for snow-making machines in ski area (Chinese: 滑雪场造雪机使用要求及检验方法)

English versions: GB/T 14420-2024

GB/T 45504-2025_Chinese: Nanotechnologies - Nanostructured porous alumina as catalyst support for vehicle exhaust emission control - Characteristics and measurement methods (Chinese: 纳米技术 汽车尾气排放控制用纳米结构多孔氧化铝催化剂载体 特性和测量方法)

GB/T 44878-2024_Chinese: Frozen soil observation - Frequency domain reflection method (Chinese: 冻土观测 频域反射法)

English versions: GB 43470-2023

GB/T 17105-2024 Chinese PDF (GB/T17105-2024) GB/T 17529.3-2023 GB/T 45537-2025_Chinese: Requirements of useGB T 17105 2024_Chinese: Classification of aluminum silicon dense shaped refractory products (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17105 2024