GB/T 4303-2023 Chinese PDF (GB/T4303-2023) GB/T 24477-2025 GB/T 31402-2023_Chinese: Measurement of antibacterial

GB/T 31402-2023_Chinese: Measurement of antibacterial activity on plastics and other non-porous surfaces (Chinese: 塑料和其他无孔材料表面抗菌活性的测定)

English versions: GB/T 17727-2024

English versions: GB/T 45022-2024

GB/T 45390-2025_Chinese: Communication interface requirements for power lithium battery production equipment (Chinese: 动力锂电池生产设备通信接口要求)

GB/T 22504

GB/T 4303-2023 Chinese PDF (GB/T4303-2023) GB/T 24477-2025 GB/T 31402-2023_Chinese: Measurement of antibacterialGB T 4303 2023_Chinese: Marine lifejacket (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4303 2023