GB/T 45020-2024 Chinese PDF (GB /T45020-2024) GB/T 44808.2-2024 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)

4-2024_Chinese: Natural disaster information statistics - Part 4: System of statistical forms (Chinese: 自然灾害灾情统计 第4部分：统计报表)

English versions: GB/T 25025-2025

GB/T 44386-2024_Chinese: Railway applications - Rolling stock - Onboard lithium-ion traction batteries (Chinese: 轨道交通 机车车辆 车载牵引锂离子电池)

GB/T 32366-2025_Chinese: Biodegradable poly(butylene adipate terephthalate)(PBAT) (Chinese: 生物降解聚对苯二甲酸-己二酸丁二酯 （PBAT）)

GB/T 45020-2024 Chinese PDF (GB /T45020-2024) GB/T 44808.2-2024 GB/T 17216-2025_Chinese: Hygienic requirement forGB T 45020 2024_Chinese: Methods for chemical analysis of niobium hafnium alloys Determination of trace impurity elements content Inductively coupled plasma mass spectrometry (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45020 2024