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English versions: GB/T 35601-2024
2-2024_Chinese: Acoustics - Calibration of hydrophones - Part 2: Procedures for low frequency pressure calibration (Chinese: 声学 水听器校准 第2部分：低频声压场校准方法)
GB 12664-2024_Chinese: General technical requirements for portable X-ray security inspection equipment (Chinese: 便携式X射线安全检查设备技术规范)
English versions: GB/T 45255-2025
GB/T 2812-2024_Chinese: Head protection - General test methods (Chinese: 头部防护 通用测试方法)
GB/T 18281.7-2024 Chinese PDF (GB/T18281.7-2024) GB/T 13539.7-2024 English versions: GB/T 35601-2024GB T 18281. 7 2024_Chinese: Sterilization of health care products Biological indicators Part 7: Guidance for the selection, use and interpretation of results (Chinese: 7) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18281. 7 2024
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