GB/T 45031-2024 Chinese PDF (GB /T45031-2024) GB/T 24345-2025 GB/T 24851-2024_Chinese: Specification for equipping

GB/T 24851-2024_Chinese: Specification for equipping and managing of measuring instrument of energy in building material industry (Chinese: 建筑材料行业能源计量器具配备和管理要求)

English versions: GB/T 10485-2025

English versions: GB/T 45004-2024

2-2024_Chinese: Ergonomics - Accessible design - Part 2: Method for creating colour combinations taking account of age-related changes in human colour vision (Chinese: 人类工效学 无障碍设计 第2部分：考虑颜色视觉随年龄变化的颜色组合方法)

GB/T 45031-2024 Chinese PDF (GB /T45031-2024) GB/T 24345-2025 GB/T 24851-2024_Chinese: Specification for equippingGB T 45031 2024_Chinese: Technical guidelines for monitoring and effectiveness evaluation of seagrass bed ecological restoration (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45031 2024