GB/T 24498-2025 Chinese PDF (GB /T24498-2025) GB/T 15972.33-2024 2-2025_Chinese: Household electric direct-acting room

2-2025_Chinese: Household electric direct-acting room heaters - Methods for measuring performance - Part 2: Additional provisions for the measurement of the radiant factor (Chinese: 家用直接作用式房间电加热器 性能测试方法 第2部分：辐射系数测量的附加规定)

English versions: GB/T 20717-2024

GB/T 26925-2025_Chinese: Water saving enterprises - Fossil fired plant (Chinese: 节水型企业 火力发电行业)

GB/T 12385-2025_Chinese: Standard test methods for sealability of gaskets for pipe flanges (Chinese: 管法兰用垫片密封性能试验方法)

English versions: GB 28050-2025

GB/T 24498-2025 Chinese PDF (GB /T24498-2025) GB/T 15972.33-2024 2-2025_Chinese: Household electric direct-acting roomGB T 24498 2025_Chinese: Gaskets for doors, windows and curtain walls of buildings (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24498 2025