GB/T 43316.2-2023 Chinese PDF (GB/T43316.2-2023) GB/T 21649.1-2024 English versions: GB/T 31128-2025

English versions: GB/T 31128-2025

GB/T 45474-2025_Chinese: Test method for mode II interlaminar fracture toughness of carbon fiber reinforced composite materials - Three point bending method with end notched (Chinese: 碳纤维增强复合材料Ⅱ型层间断裂韧性的测定 端部切口三点弯曲法)

3-2024_Chinese: Wet wipes and similar products - Part 3: Particular requirements for disinfection wet wipes (Chinese: 湿巾及类似用途产品 第3部分：消毒湿巾专用要求)

GB/T 37551

GB 44240-2024_Chinese: Secondary lithium cells and batteries used in electrical energy storage systems - Safety requirements (Chinese: 电能存储系统用锂蓄电池和电池组 安全要求)

GB/T 43316.2-2023 Chinese PDF (GB/T43316.2-2023) GB/T 21649.1-2024 English versions: GB/T 31128-2025GB T 43316. 2 2023_Chinese: Plastics Determination of resistance to environmental stress cracking (ESC) Part 2: Constant tensile load method (Chinese: (ESC) 2:) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43316. 2 2023