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English versions: GB/T 17216-2025
1）第3部分：约束规范)
English versions: GB 10770-2025
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 32105-2025
GB/T 5612-2025 Chinese PDF (GB /T5612-2025) GB/T 36800.3-2025 English versions: GB/T 17216-2025GB T 5612 2025_Chinese: Designation of cast irons (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5612 2025
