China National Standards

China Classification sound absorbing GB Standards List

  •  China "Classification sound absorbing" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 16731-2023 Classification of sound-absorbing performance of building sound-absorbing products {译}
    建筑吸声产品的吸声性能分级    		 China National Standards
    Classification sound absorbing
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