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1. Ready translated GB standards  and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within
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2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB/T 3222.2-2022 Acoustics—Description, measurement and assessment of environmental noise—Part 2: Determination of sound pressure levels - 英文版 |
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GB/T 3222.1-2022 Acoustics—Description, measurement and assessment of environmental noise—Part 1: Basic quantities and assessment procedures - 英文版 |
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GB/T 34834-2017 Acoustics—Framework for calculating a distribution of sound exposure levels for impulsive sound events for the purposes of environmental noise assessment - 英文版 |
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GB/T 3222.2-2009 Acoustics - Description, measurement and assessment of environmental noise - Part 2: Determination of environmental noise levels - 英文版 |
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GB/Z 21233-2007 Acoustics - Assessment of noise annoyance by means of social and socio-acoustics surveys - 英文版 |
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GB/T 3222.1-2006 Acoustics―Description, measurement and assessment of environmental noise―Part 1：Basic quantities and assessment procedures - 英文版 |
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