GB/T 45128-2025 Chinese PDF (GB /T45128-2025) GB/T 25246-2025 English versions: GB/T 30565-2025

English versions: GB/T 30565-2025

English versions: GB/T 21478-2024

1-2025_Chinese: Railway applications - Fixed installations - Energy utilization for DC traction power supply - Part 1: Energy storage system (Chinese: 轨道交通 地面装置 直流牵引供电能量利用 第1部分：储存系统)

English versions: GB/T 25936

3-2025_Chinese: Uncut finished spectacle lenses - Part 3: Transmittance test methods (Chinese: 眼镜镜片 第3部分：透射比试验方法)

GB/T 45128-2025 Chinese PDF (GB /T45128-2025) GB/T 25246-2025 English versions: GB/T 30565-2025GB T 45128 2025_Chinese: Plastics Determination of water content (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45128 2025