GB/T 45131-2025 Chinese PDF (GB /T45131-2025) GB 20943-2025 English versions: GB/T 45100-2024

English versions: GB/T 45100-2024

5-2025_Chinese: Interconnection and interoperation for textile equipment - Part 5: Nonwovens (Chinese: 纺织装备互联互通与互操作 第5部分：非织造)

GB/T 18649-2024_Chinese: Diagnostic techniques for contagious bovine pleuropneumonia (Chinese: 牛传染性胸膜肺炎诊断技术)

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 45206-2025

GB/T 45131-2025 Chinese PDF (GB /T45131-2025) GB 20943-2025 English versions: GB/T 45100-2024GB T 45131 2025_Chinese: Analysis of water used in boiler and cooling system Determination of phosphate, chloride, silicate, total alkalinity, phenolphthalein alkalinity, hardness and iron Spectrophotometric detection by discrete analysis systems (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45131 2025