GB/T 45305.4-2025 Chinese PDF (GB /T45305.4-2025) GB/T 23595.4-2025 GB/T 37133-2025_Chinese: High voltage connection

GB/T 37133-2025_Chinese: High voltage connection system for electric vehicle (Chinese: 电动汽车用高压连接系统)

English versions: GB/T 13460-2025

3-2025_Chinese: Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocks (Chinese: 金属材料 维氏硬度试验 第3部分：标准硬度块的标定)

niacinamide and caffeine in health foods (Chinese: 保健食品中硫胺素、核黄素、吡哆醇、烟酸、烟酰胺和咖啡因的测定)

1-2025_Chinese: Rubber - Determination of ash - Part 1: Muffle furnace method (Chinese: 橡胶 灰分的测定 第1部分：马弗炉法)

GB/T 45305.4-2025 Chinese PDF (GB /T45305.4-2025) GB/T 23595.4-2025 GB/T 37133-2025_Chinese: High voltage connectionGB T 45305. 4 2025_Chinese: Acoustics Laboratory measurement of sound insulation of building elements Part 4: Measurement procedures and requirements (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45305. 4 2025