GB/T 24189-2024 Chinese PDF (GB/T24189-2024) GB/T 42110-2022 217-2023_Chinese: Luminaires - Part 2-17:

217-2023_Chinese: Luminaires - Part 2-17: Particular requirements - Luminaires for stage lighting

GB/T 14420-2024_Chinese: Analysis of water used in boiler and cooling system - Determination of chemical oxygen demand - Rapid method with potassium dichromate (Chinese: 锅炉用水和冷却水分析方法 化学耗氧量的测定 重铬酸钾快速法)

GB/T 28884-2024_Chinese: Seamless steel tubes for large capacity gas cylinder (Chinese: 大容积气瓶用无缝钢管)

GB/T 45209-2025_Chinese: Code of practice for deer artificial insemination (Chinese: 鹿人工授精技术规程)

GB/T 24189-2024 Chinese PDF (GB/T24189-2024) GB/T 42110-2022 217-2023_Chinese: Luminaires - Part 2-17:GB T 24189 2024_Chinese: Iron ores for blast furnace feedstocks Determination of the reducibility by the final degree of reduction index (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24189 2024