GB/T 7000.224-2023 Chinese PDF (GB/T7000.224-2023) GB/T 5338.4-2023 GB/T 31402-2023_Chinese: Measurement of antibacterial

GB/T 31402-2023_Chinese: Measurement of antibacterial activity on plastics and other non-porous surfaces (Chinese: 塑料和其他无孔材料表面抗菌活性的测定)

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)

2-2023_Chinese: Plastics - Determination of resistance to environmental stress cracking (ESC) - Part 2: Constant tensile load method (Chinese: 塑料 耐环境应力开裂(ESC)的测定 第2部分:恒定拉伸负荷法)

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

GB/T 7000.224-2023 Chinese PDF (GB/T7000.224-2023) GB/T 5338.4-2023 GB/T 31402-2023_Chinese: Measurement of antibacterialGB 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