GB/T 39075.202-2023 Chinese PDF (GB/T39075.202-2023) GB/T 31015-2024 GB/T 45377-2025_Chinese: Non-destructive testing -

GB/T 45377-2025_Chinese: Non-destructive testing - Long-range inspection of above-ground pipelines and plant piping using guided wave testing with axial propagation (Chinese: 无损检测 地面管线及厂区管道轴向长距离导波检测)

GB/T 16659-2024_Chinese: Determination of mercury of coal (Chinese: 煤中汞的测定方法)

English versions: GB/T 16895

GB/T 20840

GB/T 23327-2025_Chinese: Woven adhesive interlining (Chinese: 机织粘合衬)

GB/T 39075.202-2023 Chinese PDF (GB/T39075.202-2023) GB/T 31015-2024 GB/T 45377-2025_Chinese: Non-destructive testing -GB T 39075. 202 2023_Chinese: Organic light emitting diode(OLED)light sources for general lighting Safety Part 2 2: Particular requirements Integrated OLED modules (Chinese: OLED 2 2 OLED) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 39075. 202 2023