TCVN 7192-1-2002
Acoustics.Rating of sound insulation in building and of building elements.Part 1: Airborne sound insulation
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TCVN 7192-1-2002
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TCVN 7192-1-2002
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2002
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VN-TCVN
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TCVN 7192-1-2002
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2002
TCVN 7192-1-2002
Acoustics.Rating of sound insulation in building and of building elements.Part 1: Airborne sound insulation
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