GB/T 19980-2025 Chinese PDF (GB /T19980-2025) GB 5009.303-2025 GB/T 12385-2025_Chinese: Standard test methods

GB/T 12385-2025_Chinese: Standard test methods for sealability of gaskets for pipe flanges (Chinese: 管法兰用垫片密封性能试验方法)

1-2025_Chinese: Traffic signs and markings - Part 1: General (Chinese: 道路交通标志和标线 第1部分：总则)

boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of on-board receivers (Chinese: 车辆、船和内燃机 无线电骚扰特性 用于保护车载接收机的限值和测量方法)

103-2025_Chinese: Liquid crystal display devices - Part 10-3: Environmental

GB/T 19980-2025 Chinese PDF (GB /T19980-2025) GB 5009.303-2025 GB/T 12385-2025_Chinese: Standard test methodsGB T 19980 2025_Chinese: Textiles Method for assessing appearance of textile products after domestic washing and drying (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19980 2025