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GB/T 20424-2025_Chinese: The specification for limit on harmful element content of the heavy nonferrous metal concentrates products (Chinese: 重有色金属精矿产品中有害元素的限量规范)
English versions: GB/T 11856
English versions: GB/T 13815
GB/T 16254-2024_Chinese: Mohair (Chinese: 马海毛)
GB/T 1480-2025_Chinese: Metallic powders - Determination of particle size by dry sieving (Chinese: 金属粉末 干筛分法测定粒度)
GB/T 23595.3-2025 Chinese PDF (GB /T23595.3-2025) GB/T 20854-2025 GB/T 20424-2025_Chinese: The specification forGB T 23595. 3 2025_Chinese: Test methods of rare earth phosphors for LED Part 3: Determination of chromaticity coordinates (Chinese: LED 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23595. 3 2025
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