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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/T 23480-2025_Chinese: Small hole drilling electrical discharge machines - Testing of the accuracy (Chinese: 电火花小孔加工机床 精度检验)
GB/T 18109-2024_Chinese: Frozen finfish (Chinese: 冻鱼)
GB/T 45040-2024_Chinese: Bedding - Test method for air permeability of latex products (Chinese: 床上用品 乳胶制品透气性试验方法)
English versions: GB/T 20604-2025
GB/T 45592-2025 Chinese PDF (GB /T45592-2025) GB/T 28988-2024 2-2024_Chinese: Acoustics - Calibration ofGB T 45592 2025_Chinese: General requirements for building materials products traceability system (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45592 2025
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