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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)
English versions: GB/T 45329-2025
1-2024_Chinese: Technical specification for OPC unified architecture and 5G integration - Part 1: General requirements (Chinese: OPC统一架构与5G集成技术规范 第1部分：通用要求)
English versions: GB 6514-2023
English versions: GB/T 45021
GB/T 7407-2024 Chinese PDF (GB/T7407-2024) GBZ17624.8-2025 3-2023_Chinese: Methods for chemical analysisGB T 7407 2024_Chinese: Codes for China and world main shipping ports and other locations (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7407 2024
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