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English versions: GB 30367-2025
Canonical Encoding Rules(CER) and Distinguished Encoding Rules(DER) (Chinese: 信息技术 ASN
English versions: GB/T 17554
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 PDF (GB /T15237-2025) GB/T 16262.2-2025 English versions: GB 30367-2025GB T 15237 2025_Chinese: Terminology work and terminology science Vocabulary (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15237 2025
