GB/T 34877.4-2024 Chinese PDF (GB/T34877.4-2024) GB/T 14598.1871-2024 5-2024_Chinese: Semiconductor devices - Part

5-2024_Chinese: Semiconductor devices - Part 5-5: Optoelectronic devices - Photocouplers (Chinese: 半导体器件 第5-5部分：光电子器件 光电耦合器)

English versions: GB/T 2910

11-2024_Chinese: Aquatic feed - Part 11: Formula feed for loach (Chinese: 水产配合饲料 第11部分：泥鳅配合饲料)

1-2024_Chinese: Photovoltaic (PV) module performance testing and energy rating - Part 1: Irradiance and temperature performance measurements and power rating (Chinese: 光伏组件性能测试和能量评定 第1部分：辐照度和温度性能测量和功率评定)

English versions: GB/T 45128-2025

GB/T 34877.4-2024 Chinese PDF (GB/T34877.4-2024) GB/T 14598.1871-2024 5-2024_Chinese: Semiconductor devices - PartGB T 34877. 4 2024_Chinese: Industrial fans Determination of fan sound power levels under standardized laboratory conditions Part 4: Sound intensity method (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 34877. 4 2024