GB/T 34877.4-2024 Chinese PDF (GB/T34877.4-2024) GB/T 14598.1871-2024 English versions: GB/T 45191-2025

English versions: GB/T 45191-2025

English versions: GB/T 34575-2023

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)

1-2024_Chinese: Lifting appliances - Intelligent systems - Part 1: Vocabulary and classification (Chinese: 起重机械 智能化系统 第1部分：术语和分级)

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)

GB/T 34877.4-2024 Chinese PDF (GB/T34877.4-2024) GB/T 14598.1871-2024 English versions: GB/T 45191-2025GB 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