GB/T 21499-2024 Chinese PDF (GB /T21499-2024) GB/T 17817-2024 English versions: GB 45669

English versions: GB 45669

Note/Careful: Text of PDF is in Chinese (not English)

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)

42-2025_Chinese: National food safety standard - Food microbiological examination - Examination of Norwalk Viruses (Chinese: 食品安全国家标准 食品微生物学检验 诺如病毒检验)

GB/T 22283-2025_Chinese: Landrace breeding pig (Chinese: 长白猪种猪)

GB/T 21499-2024 Chinese PDF (GB /T21499-2024) GB/T 17817-2024 English versions: GB 45669GB T 21499 2024_Chinese: Inspection of grain and oils Determination of the potential milling yield from paddy and from husked rice (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21499 2024