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Canonical Encoding Rules(CER) and Distinguished Encoding Rules(DER) (Chinese: 信息技术 ASN
English versions: GB 5009
2-2025_Chinese: Test methods of rare earth phosphors for LED - Part 2: Determination of relative brightness (Chinese: LED用稀土荧光粉试验方法 第2部分：相对亮度的测定)
English versions: GB/T 12008
GB/T 18281.4-2024 English PDF (GB/T18281.4-2024) GB/T 19480-2025 Canonical Encoding Rules(CER) and DistinguishedGB T 18281. 4 2024_Chinese: Sterilization of health care products Biological indicators Part 4: Biological indicators for dry heat sterilization processes (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18281. 4 2024
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