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GB/T 24589
GB/T 22453-2025_Chinese: Non-linear optical crystal devices measuring method for laser (Chinese: 激光用非线性光学晶体元件性能测量方法)
8-2025_Chinese: Test methods of rare earth phosphors for LED - Part 8: Determination of pressure cooker test property (Chinese: LED用稀土荧光粉试验方法 第8部分：高压加速老化性能的测定)
English versions: GB/T 21638-2025
GB/T 20972
GB/T 27534.9-2025 Chinese PDF (GB /T27534.9-2025) GB/T 21199-2024 GB/T 24589GB T 27534. 9 2025_Chinese: Technical specification for animal genetic resource survey Part 9: Poultry (Chinese: 9) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27534. 9 2025
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