GB/T 45471-2025 Chinese PDF (GB /T45471-2025) GB/T 44869-2024 English versions: GB/T 22283-2025

English versions: GB/T 22283-2025

English versions: GB/T 44923-2024

4-2025_Chinese: Test methods of rare earth phosphors for LED - Part 4: Determination of high temperature and high humidity property (Chinese: LED用稀土荧光粉试验方法 第4部分：高温高湿性能的测定)

GB/T 29772-2024_Chinese: General requirements of electric vehicle battery swap station (Chinese: 电动汽车电池更换站通用技术要求)

English versions: GB/T 44974-2024

GB/T 45471-2025 Chinese PDF (GB /T45471-2025) GB/T 44869-2024 English versions: GB/T 22283-2025GB T 45471 2025_Chinese: Test method for mode III interlaminar fracture toughness of carbon fiber reinforced composite materials Edge crack torsion method (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45471 2025