GB/T 45373-2025 Chinese PDF (GB /T45373-2025) GB/T 27534.4-2025 English versions: GB/T 39733-2024

English versions: GB/T 39733-2024

5-2024_Chinese: Safety requirements for electrical equipment for measurement

2-2025_Chinese: Agricultural tractors - General requirement - Part 2: 50 kW～130 kW wheeled tractors (Chinese: 农业拖拉机 通用技术条件 第2部分：50 kW～130 kW轮式拖拉机)

3-2025_Chinese: Lightning protection system components(LPSC) - Part 3: Requirements for isolating spark gaps(ISGs) (Chinese: 雷电防护系统部件（LPSC） 第3部分： 隔离放电间隙（ISGs）的要求)

GB/T 45318-2025_Chinese: Polyethylene terephthalate(PET) beer bottle (Chinese: 聚对苯二甲酸乙二醇酯（PET）啤酒瓶)

GB/T 45373-2025 Chinese PDF (GB /T45373-2025) GB/T 27534.4-2025 English versions: GB/T 39733-2024GB T 45373 2025_Chinese: Petroleum and liquid petroleum products Direct measurement of density in tanks Resonance cylinder densitometer methods (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45373 2025