GB/T 31239-2023 Chinese PDF (GB/T31239-2023) GB/T 26354-2025 13-2024_Chinese: Wheelchair seating - Part

13-2024_Chinese: Wheelchair seating - Part 13: Determination of the lateral stability property of a seat cushion (Chinese: 轮椅车座椅 第13部分：座垫侧向稳定性的测定)

GB 44246-2024_Chinese: Household and similar electrical appliances

GB/T 31235-2024_Chinese: Technical specification for fittings of ±800 kV DC overhead transmission line (Chinese: ±800kV直流输电线路金具技术规范)

GB/T 44869-2024_Chinese: Specification for green packaging of toys and child use and care articles (Chinese: 玩具及儿童用品绿色包装技术规范)

6 mm(19 in)系列机械结构尺寸 第3-109部分：嵌入式计算设备的机箱尺寸)

GB/T 31239-2023 Chinese PDF (GB/T31239-2023) GB/T 26354-2025 13-2024_Chinese: Wheelchair seating - PartGB T 31239 2023_Chinese: Technical specification for fittings of 1 000 kV substation (Chinese: 1000kV) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31239 2023