GB 44504-2024 Chinese PDF GB/T 28185-2025 GB/T 45092-2024_Chinese: Testing and evaluation

GB/T 45092-2024_Chinese: Testing and evaluation of electrodes performance for hydrogen production by water electrolysis (Chinese: 电解水制氢用电极性能测试与评价)

GB/T 20850-2025_Chinese: Safety of machinery - Guidelines for the application of machinery safety standards (Chinese: 机械安全 机械安全标准应用指南)

GB/T 45471-2025_Chinese: Test method for mode III interlaminar fracture toughness of carbon fiber reinforced composite materials - Edge crack torsion method (Chinese: 碳纤维增强复合材料Ⅲ型层间断裂韧性的测定 边缘裂纹扭转法)

GB 24550-2024_Chinese: Protection of motor vehicle for pedestrians in the event of a collision (Chinese: 汽车对行人的碰撞保护)

English versions: GB 38031-2025

GB 44504-2024 Chinese PDF GB/T 28185-2025 GB/T 45092-2024_Chinese: Testing and evaluationGB 44504 2024_Chinese: Risk classification and service life of special production equipment for civil explosive materials (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 44504 2024