GB/T 693-2024 Chinese PDF (GB/T693-2024) GB/T 45451.1-2025 1-2024_Chinese: Multimode optical fibres for

1-2024_Chinese: Multimode optical fibres for telecommunication - Part 1: Sectional specification for category A1 multimode fibres (Chinese: 通信用多模光纤 第1部分：A1类多模光纤特性)

GB 20997-2024_Chinese: Limits and targets of fuel consumption for light-duty commercial vehicles (Chinese: 轻型商用车辆燃料消耗量限值及评价指标)

3-2024_Chinese: Technical requirements of dry process cement production complete equipment - Part 3: Cement preparation system (Chinese: 新型干法水泥生产成套装备技术要求 第3部分：水泥制备系统)

GB/T 36280-2023_Chinese: Lead carbon battery for electrical energy storage (Chinese: 电力储能用铅炭电池)

English versions: GB/T 45241-2025

GB/T 693-2024 Chinese PDF (GB/T693-2024) GB/T 45451.1-2025 1-2024_Chinese: Multimode optical fibres forGB T 693 2024_Chinese: Chemical reagent Sodium acetate trihydrate (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 693 2024