GB/T 20871.61-2024 Chinese PDF (GB/T20871.61-2024) GB/T 41869.4-2024 1-2025_Chinese: Rules for agricultural seed

1-2025_Chinese: Rules for agricultural seed testing - Part 1: General directives (Chinese: 农作物种子检验规程 第1部分：总则)

3-2025_Chinese: Household electric direct-acting room heaters - Methods for measuring performance - Part 3: Additional provisions for the measurement of the radiation efficiency (Chinese: 家用直接作用式房间电加热器 性能测试方法 第3部分：辐射效率测量的附加规定)

GB/T 45271-2025_Chinese: Man-made fiber - Determination of catechins content - High performance liquid chromatography (Chinese: 化学纤维 儿茶素含量的测定 高效液相色谱法)

12-2024_Chinese: Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides - Part 12: Determination of thorium and uranium contents - Inductively coupled plasma mass spectrum method (Chinese: 稀土金属及其氧化物中非稀土杂质 化学分析方法 第12部分：钍、铀量的测定 电感耦合等离子体质谱法)

GB/T 14285-2023_Chinese: Technical code for relaying protection and security automatic equipment (Chinese: 继电保护和安全自动装置技术规程)

GB/T 20871.61-2024 Chinese PDF (GB/T20871.61-2024) GB/T 41869.4-2024 1-2025_Chinese: Rules for agricultural seedGB T 20871. 61 2024_Chinese: Organic light emitting diode(OLED) displays Part 6 1: Measuring methods of optical and electro optical parameters (Chinese: 6 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20871. 61 2024