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GB/T 45305.4-2025 Chinese PDF (GB /T45305.4-2025)
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GB/T 45305.4-2025 Chinese PDF (GB /T45305.4-2025)
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GB/T 45305.4-2025 Chinese PDF (GB /T45305.4-2025)GB T 45305. 4 2025_Chinese: Acoustics Laboratory measurement of sound insulation of building elements Part 4: Measurement procedures and requirements (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45305. 4 2025
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GB/T 45305.4-2025_Chinese: Acoustics - Laboratory measurement of sound insulation of building elements - Part 4: Measurement procedures and requirements (Chinese: 声学 建筑构件隔声的实验室测量 第4部分：测量程序和要求)
Note/Careful: Text of PDF is in Chinese (not English).
Delivery (PDF in Chinese): 2 working-hours typically, ASAP
English versions: GB/T 45305.4-2025
Note/Careful: Text of PDF is in Chinese (not English).
Delivery (PDF in Chinese): 2 working-hours typically, ASAP
English versions: GB/T 45305.4-2025
GB/T 45305.4-2025 Chinese PDF (GB /T45305.4-2025)
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