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GB/T 22453-2025 Chinese PDF (GB /T22453-2025) GB/T 22180-2024 2-2025_Chinese: Acoustics - Measurement of
GB/T 22453-2025 Chinese PDF (GB /T22453-2025) GB/T 22180-2024 2-2025_Chinese: Acoustics - Measurement of
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Description
2-2025_Chinese: Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 2: The close-proximity method (Chinese: 声学 道路表面对交通噪声影响的测量 第2部分：近距法)
English versions: GB/T 24055
English versions: GB/T 25045-2025
GB/T 19799
GB/T 17670-2025_Chinese: Unified coding for natural stone (Chinese: 天然石材统一编号)
GB/T 22453-2025 Chinese PDF (GB /T22453-2025) GB/T 22180-2024 2-2025_Chinese: Acoustics - Measurement ofGB T 22453 2025_Chinese: Non linear optical crystal devices measuring method for laser (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22453 2025
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 GB/T 22180-2024 2-2025_Chinese: Acoustics - Measurement of){kind=link}
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