China National Standards

China letters 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 "letters" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • YD/T 907-2011
  • Arrangement of digits, letters and symbols on telephones and other devices that can be used for gaining access to a telephone network letters
    China Telecommunication Standards
  • GB/T 17971.8-2010
  • Information technology - Keyboard layouts for text and office systems - Part 8: Allocation of letters to the keys of a numeric keypad letters
    China National Standards
  • YD/T 919.1-1997
  • Writing specifications on mail envelopes. Domestic letters letters
    China Telecommunication Standards
  • YD/T 919.2-1997
  • Writing specifications on mail envelopes. International letters letters
    China Telecommunication Standards
  • YD/T 907-1997
  • Regulations for numbers, letters and signs for dialing over telephone set and other equipment accessed to telephone network letters
    China Telecommunication Standards
  • YD/T 737-1995
  • (letters packaging technology requirements) letters
    China Telecommunication Standards

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