GB/T 45542-2025 Chinese PDF (GB /T45542-2025) GB/T 44873-2024 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 10184-2025_Chinese: Performance test code of practice for utility boiler (Chinese: 电站锅炉性能试验规程)

GB 29436-2023_Chinese: Norm of energy consumption per unit production of methanol

GB/T 13511

English versions: GB 17353-2024

GB/T 45542-2025 Chinese PDF (GB /T45542-2025) GB/T 44873-2024 4-2024_Chinese: Ergonomics - Accessible designGB T 45542 2025_Chinese: Specification for integrated energy efficiency evaluation of industrial boilers (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45542 2025