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English versions: GB 17799
English versions: GB/T 45564-2025
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)
English versions: GB/T 14420-2024
English versions: GB/T 45206-2025
GB/T 18910.41-2024 Chinese PDF (GB/T18910.41-2024) GB/T 1311-2024 English versions: GB 17799GB T 18910. 41 2024_Chinese: Liquid crystal display devices Part 4 1: Matrix colour LCD modules Essential ratings and characteristics (Chinese: 4 1 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18910. 41 2024
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