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GB 45248-2025_Chinese: Drug concentration cutoff values and examination for vehicle drivers (Chinese: 车辆驾驶人员体内毒品含量阈值与检验)
English versions: GB/T 1632
English versions: GB 23826-2025
4-2025_Chinese: Uncut finished spectacle lenses - Part 4: Anti-reflective coatings test methods (Chinese: 眼镜镜片 第4部分：减反射膜试验方法)
English versions: GB/T 23367
GB/T 1480-2025 Chinese PDF (GB /T1480-2025) GB 17741-2025 GB 45248-2025_Chinese: Drug concentration cutoffGB T 1480 2025_Chinese: Metallic powders Determination of particle size by dry sieving (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 1480 2025
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