GB/T 24477-2025 Chinese PDF (GB /T24477-2025) GB/T 12417.1-2024 English versions: GB/T 17643-2025

English versions: GB/T 17643-2025

GB 17167-2025_Chinese: General rules for energy measuring instrument equipping and managing of energy user (Chinese: 用能单位能源计量器具配备和管理通则)

GB/T 18822

1-2024_Chinese: Environmental management - Guidelines for establishing good practices for combatting land degradation and desertification - Part 1: Good practices framework (Chinese: 环境管理 建立防治土地退化和荒漠化良好实践指南 第1部分：良好实践框架)

GB/T 3091-2025_Chinese: Welded steel pipes for low pressure fluid delivery (Chinese: 低压流体输送用焊接钢管)

GB/T 24477-2025 Chinese PDF (GB /T24477-2025) GB/T 12417.1-2024 English versions: GB/T 17643-2025GB T 24477 2025_Chinese: Accessibility to lifts for persons including persons with disability (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24477 2025