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GB/T 29043-2023 Chinese PDF (GB/T29043-2023) GB/T 23327-2025 English versions: GB/T 44950-2024
GB/T 29043-2023 Chinese PDF (GB/T29043-2023) GB/T 23327-2025 English versions: GB/T 44950-2024
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English versions: GB/T 44950-2024
English versions: GB/T 44951-2024
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)
English versions: GB/T 45070-2024
GB/T 29043-2023 Chinese PDF (GB/T29043-2023) GB/T 23327-2025 English versions: GB/T 44950-2024GB T 29043 2023_Chinese: Test method for thermal insulating performance of curtain walls (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 29043 2023
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 GB/T 23327-2025 English versions: GB/T 44950-2024){kind=link}