GB/T 7000.224-2023 Chinese PDF (GB/T7000.224-2023) GB/T 5338.4-2023 GB/T 45155-2024_Chinese: Quality management -

GB/T 45155-2024_Chinese: Quality management - Guidance to understand

3-2023_Chinese: Methods for chemical analysis of tungsten concentrates - Part 3: Determination of phosphorus content - The phosphorus molybdenum yellow spectrophotometry and inductively coupled plasma atomic emission spectrometry (Chinese: 钨精矿化学分析方法 第3部分：磷含量的测定 磷钼黄分光光度法和电感耦合等离子体原子发射光谱法)

3-2023_Chinese: Railway applications - Electric equipment for rolling stock - Part 3: Electrotechnical components - Rules for DC circuit-breakers (Chinese: 轨道交通 机车车辆电气设备 第3部分：电工器件 直流断路器规则)

GB/T 13542

GB/T 19799

GB/T 7000.224-2023 Chinese PDF (GB/T7000.224-2023) GB/T 5338.4-2023 GB/T 45155-2024_Chinese: Quality management -GB T 7000. 224 2023_Chinese: Luminaires Part 2 24: Particular requirements Luminaires with limited surface temperatures (Chinese: 2 24 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7000. 224 2023