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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 "conventions" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 34627-2017
  • Metallic and other inorganic coatings—Definitions and conventions concerning appearance conventions
    China National Standards
  • GB/T 4457.5-2013
  • Mechanical drawings―Basic conventions for representing areas on cuts and sections conventions
    China National Standards
  • GB/T 17453-2005
  • Technical drawings-General principles of presentation-Part 50:Basic conventions for representing areas on cuts and sections conventions
    China National GB Standards
  • GB/T 19094-2003
  • Coal preparation plant--Principles and conventions for flow sheets conventions
    China National GB Standards
  • GB/T 12334-2001
  • Metallic and other inorganic coatings--Definitions and conventions concerning the measurement of thickness conventions
    China National GB Standards
  • GB/T 17450-1998
  • Technical drawings--Basic conventions for lines conventions
    China National GB Standards
  • SY/T 5979-1994
  • (Oil and gas reservoirs (fields) naming conventions) conventions
    China Oil & Gas Industry Standards
  • GB/T 14085-1993
  • Information processing systems--Computer system configuration diagram symbols and conventions conventions
    China National GB Standards
  • GB/T 13502-1992
  • Information processing--Program constructs and conventions for their representation conventions
    China National GB Standards
  • GB/T 1526-1989
  • Information processing--Documentation symbols and conventionsfor data, program and system flowcharts, program network charts and system resources charts conventions
    China National GB Standards

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