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English versions: GB/T 320-2025
241-2025_Chinese: Electricity metering equipment - General requirements
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 25820-2025_Chinese: Steel strapping for packaging (Chinese: 包装用钢带)
1-2025_Chinese: Test methods of rare earth phosphors for LED - Part 1: Determination of spectrum (Chinese: LED用稀土荧光粉试验方法 第1部分：光谱的测定)
GB/T 30137-2024 Chinese PDF (GB /T30137-2024) GB/T 16895.3-2024 English versions: GB/T 320-2025GB T 30137 2024_Chinese: Power quality Voltage swell, voltage dips and short interruptions (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30137 2024
