GB/T 45612-2025 Chinese PDF (GB /T45612-2025) GB/T 45655-2025 English versions: GB 16809-2024

English versions: GB 16809-2024

“dry” and “wet” conditions (Chinese: 金属和合金的腐蚀 循环暴露在盐雾、“干”和“湿”条件下的加速试验)

13-2025_Chinese: Electronic railway equipment - Train communication network (TCN) - Part 4-1: The test method of train communication network based on Wire Train Bus(WTB) (Chinese: 轨道交通电子设备 列车通信网络（TCN) 第4-1部分：基于绞线式列车总线（WTB）的列车通信网络试验方法)

English versions: GB/T 33767

GB/T 45548-2025_Chinese: Determination of isotope abundance of deuterated reagents - Nuclear magnetic resonance spectroscopy (Chinese: 氘代试剂同位素丰度的测定 核磁共振波谱法)

GB/T 45612-2025 Chinese PDF (GB /T45612-2025) GB/T 45655-2025 English versions: GB 16809-2024GB T 45612 2025_Chinese: 1 100 MPa spline drive bolts with MJ threads for aerospace (Chinese: 1100MPa MJ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45612 2025