GB/T 19510.212-2023 Chinese PDF (GB/T19510.212-2023) GB/T 16702.2-2025 12-2025_Chinese: Methods for chemical analysis

12-2025_Chinese: Methods for chemical analysis of lithium - Part 12: Determination of impurity element contents - Inductively coupled plasma atomic emission spectrometry (Chinese: 锂化学分析方法 第12部分：杂质元素含量的测定 电感耦合等离子体原子发射光谱法)

monoculars and spotting scopes - Part 1: General purpose instruments (Chinese: 光学和光子学 双筒望远镜、单筒望远镜和观测镜规范 第1部分：普通性能仪器)

GB/T 15896-2024_Chinese: Chemical reagent - Formic acid (Chinese: 化学试剂 甲酸)

3-2025_Chinese: Information technology - Building information model(BIM) software - Part 3: Model view definition (Chinese: 信息技术 建筑信息模型（BIM）软件 第3部分：模型视图定义)

GB/T 19510.212-2023 Chinese PDF (GB/T19510.212-2023) GB/T 16702.2-2025 12-2025_Chinese: Methods for chemical analysisGB T 19510. 212 2023_Chinese: Controlgear for electric light sources Part 2 12: Particular requirements for d. c. or a. c. supplied electronic ballasts for discharge lamps(excluding fluorescent lamps) (Chinese: 2 12) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19510. 212 2023