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20-2024_Chinese: Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides - Part 20: Determination of minor amounts of fluorine and chlorine in rare earth oxides - Ion chromatography method (Chinese: 稀土金属及其氧化物中非稀土杂质化学分析方法 第20部分：稀土氧化物中微量氟、氯的测定 离子色谱法)
1-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 1: General principle (Chinese: 压水堆核电厂核岛机械设备设计规范 第1部分：总则)
English versions: GB/T 13815
4-tetramethyl-1
English versions: GB/T 18396-2025
GB/T 18396-2025 Chinese PDF (GB /T18396-2025) GB 25596-2025 20-2024_Chinese: Chemical analysis methods forGB T 18396 2025_Chinese: Rubber latex Determination of surface tension (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18396 2025
