China National Standards

China fractional GB Standards Search System


GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "fractional" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • JJG 449-2014
  • Verification Regulation of Octave-Band and fractional-Octave-Band Filters fractional
    China Metrological Standards
  • GB/T 3241-2010
  • Electroacoustics - Octave-band and fractional-octave-band filters fractional
    China National Standards

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