GB/T 44950-2024 Chinese PDF (GB /T44950-2024) GB/T 44968-2024 4-2024_Chinese: Ergonomics - Accessible design

4-2024_Chinese: Ergonomics - Accessible design - Part 4: A method for estimating minimum legible font size for people at any age (Chinese: 人类工效学 无障碍设计 第4部分：不同年龄人群最小可辨认字符尺寸的估计方法)

GB/T 20965-2025_Chinese: Control network HBES technical specification - Home and building control system (Chinese: 控制网络HBES技术规范 住宅和楼宇控制系统)

English versions: GB/T 21200-2024

1-2025_Chinese: Pole for overhead contact system of electrified railways - Part 1: Steel pole (Chinese: 电气化铁路接触网支柱 第1部分：钢支柱)

voltage dips and short interruptions (Chinese: 电能质量 电压暂升、电压暂降与短时中断)

GB/T 44950-2024 Chinese PDF (GB /T44950-2024) GB/T 44968-2024 4-2024_Chinese: Ergonomics - Accessible designGB T 44950 2024_Chinese: Grade of sea fog warning (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 44950 2024