GB/T 1231-2024 Chinese PDF (GB/T1231-2024) GB/T 29292-2024 GB 4824-2025_Chinese: Industrial

GB 4824-2025_Chinese: Industrial

English versions: GB/T 44937

GB/T 45123-2024_Chinese: Public security - Biometric recognition application - Database requirements for testing and evaluating algorithm (Chinese: 公共安全 生物特征识别应用 算法评测数据库要求)

GB/T 35267

2-2024_Chinese: Textiles - Determination of perfluorinated and polyfluorinated compounds - Part 2: Gas chromatography-mass spectrometry method (Chinese: 纺织品 全氟及多氟化合物的测定 第2部分：气相色谱-质谱法)

GB/T 1231-2024 Chinese PDF (GB/T1231-2024) GB/T 29292-2024 GB 4824-2025_Chinese: IndustrialGB T 1231 2024_Chinese: High strength bolts with large hexagon head assemblies for steel structures (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 1231 2024