GB/T 15566.2-2024 Chinese PDF (GB /T15566.2-2024) GB 5009.268-2025 GB/T 17216-2025_Chinese: Hygienic requirement for

GB/T 17216-2025_Chinese: Hygienic requirement for peacetime utilization of civil air defence works (Chinese: 人民防空工程平时使用环境卫生要求)

GB/T 14601-2025_Chinese: Electronic specialty gas - Ammonia (Chinese: 电子特气 氨)

GB/T 17925-2024_Chinese: Practice for X-ray digital radioscopic examination of cylinder weld (Chinese: 气瓶对接焊缝X射线数字成像检测)

1) - Part 1: Specification of basic notation (Chinese: 信息技术 抽象语法记法一（ASN

English versions: GB/T 17435-2025

GB/T 15566.2-2024 Chinese PDF (GB /T15566.2-2024) GB 5009.268-2025 GB/T 17216-2025_Chinese: Hygienic requirement forGB T 15566. 2 2024_Chinese: Public information guidance systems Setting principles and requirements Part 2: Airport (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15566. 2 2024