China National Standards

China 1:Field GB Standards List


  •  China "1:Field" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 19888.1-2005 Acoustics-Stationary audible warning devices used outdoors-Part 1:Field measurements for determination of sound emission quantities
    声学 户外用固定式听觉报警器 第1部分:声发射量的现场测定
    China National Standards
    1:Field

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