GB/T 4937.34-2024 Chinese PDF (GB/T4937.34-2024) GB/T 42151.81-2023 English versions: GB/T 45041-2024

English versions: GB/T 45041-2024

GB 29141-2024_Chinese: Norm of energy consumption per unit production of industrial sulfuric acid

1-2024_Chinese: Graphical symbols for communication support of the elderly - Part 1: Design principles (Chinese: 老年人交流辅助用图形符号 第1部分：表示规则)

GB/T 43313-2023_Chinese: Test method for surface quality and micropipe density of polished silicon carbide wafers - Confocal and differential interferometry optics (Chinese: 碳化硅抛光片表面质量和微管密度的测试 共焦点微分干涉法)

testing levels

GB/T 4937.34-2024 Chinese PDF (GB/T4937.34-2024) GB/T 42151.81-2023 English versions: GB/T 45041-2024GB T 4937. 34 2024_Chinese: Semiconductor devices Mechanical and climatic test methods Part 34: Power cycling (Chinese: 34) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4937. 34 2024