GB/T 31547-2023 Chinese PDF (GB/T31547-2023) GB/T 28957.1-2023 GB/T 45314-2025_Chinese: Road vehicles -

GB/T 45314-2025_Chinese: Road vehicles - Performance requirements and test methods for hands free communication and voice interaction (Chinese: 道路车辆 免提通话和语音交互性能要求及试验方法)

English versions: GB/T 16843-2023

English versions: GB/T 45172-2024

YY/T 0339-2024_Chinese: Suction catheters for use in the respiratory tract (Chinese: 呼吸道用吸引导管)

English versions: GB/T 45200-2025

GB/T 31547-2023 Chinese PDF (GB/T31547-2023) GB/T 28957.1-2023 GB/T 45314-2025_Chinese: Road vehicles -GB T 31547 2023_Chinese: Electric bicycle inner tubes (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31547 2023