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GB/T 11067
English versions: GB 19302-2025
GB/T 10810
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)
GB/T 15237-2025_Chinese: Terminology work and terminology science - Vocabulary (Chinese: 术语工作及术语科学 词汇)
GB/T 12385-2025 Chinese PDF (GB /T12385-2025) GB 6944-2025 GB/T 11067GB T 12385 2025_Chinese: Standard test methods for sealability of gaskets for pipe flanges (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 12385 2025
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