GB/T 5169.13-2024 Chinese PDF (GB/T5169.13-2024) GB/T 45445-2025 GB/T 22452-2025_Chinese: General specification of

GB/T 22452-2025_Chinese: General specification of non-linear optical borate crystal devices (Chinese: 硼酸盐非线性光学单晶元件通用规范)

GB/T 30565-2025_Chinese: Non-destructive testing - Eddy current testing - General principles (Chinese: 无损检测 涡流检测 总则)

English versions: GB/T 13748

GB/T 45142-2025_Chinese: Technical guidelines for monitoring and effectiveness evaluation for marine oil spill pollution ecological restoration (Chinese: 海洋溢油污染生态修复监测和效果评估技术指南)

GB/T 5169.13-2024 Chinese PDF (GB/T5169.13-2024) GB/T 45445-2025 GB/T 22452-2025_Chinese: General specification ofGB T 5169. 13 2024_Chinese: Fire hazard testing for electric and electronic products Part 13: Glowing hot wire based test methods Glowing wire ignition temperature (GWIT) test method for materials (Chinese: 13: GWIT) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5169. 13 2024