GB/T 34425-2023 Chinese PDF (GB/T34425-2023) GB/T 20243.2-2025 GB 21252-2023_Chinese: Norm of energy

GB 21252-2023_Chinese: Norm of energy consumption for unit production of architecture and sanitary ceramics and alumina grinding ball (Chinese: 建筑卫生陶瓷和耐磨氧化铝球单位产品能源消耗限额)

English versions: GB/T 15342-2023

2-2024_Chinese: Switches for household and similar fixed electrical installations - Part 2-1: Particular requirements for electronic control devices (Chinese: 家用和类似用途固定式电气装置的开关 第2-1部分：电子控制装置的特殊要求)

GB/T 20604-2025_Chinese: Natural gas - Vocabulary (Chinese: 天然气 词汇)

English versions: GB/T 45380-2025

GB/T 34425-2023 Chinese PDF (GB/T34425-2023) GB/T 20243.2-2025 GB 21252-2023_Chinese: Norm of energyGB T 34425 2023_Chinese: Fuel cell electric vehicles hydrogen refueling nozzle (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 34425 2023