China National Standards

China ofsound GB Standards List

  •  China "ofsound" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 17247.2-1998 Acoustics--Attenuation ofsound during propagation outdoors--Part 2:General method of calculation
    声学 户外声传播的衰减 第2部分:一般计算方法    		 China National Standards
    ofsound
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