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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Varistors for use in electronic equipment--Part 2:Sectional specification for surge suppression varistors
Standard published on 9.12.1997
Selected format:Varistors for use in electronic equipment--Part 2:Blank detail specification for silicon carbide surge suppression varistors--Assessment level E
Standard published on 9.12.1997
Selected format:Varistors for use in electronic equipment--Part 2:Blank detail specification for zinc oxide surge suppression varistors--Assessment level E
Standard published on 9.12.1997
Selected format:Requirements for facsimile apparatus--Group document facsimile apparatus
Standard published on 22.12.1988
Selected format:Test procedure for facsimile apparatus--Documents facsimile (analogue)
Standard published on 22.12.1988
Selected format:Test procedure for facsimile apparatus--Document facsimile (digital)
Standard published on 22.12.1988
Selected format:Hexagon head wood screws
Standard published on 2.7.1986
Selected format:Regulations of proper usage of electricity in heat treatment industry
Standard published on 19.6.2008
Selected format:Code of comprehensive geological exploration and survey in the coastal zone
Standard published on 22.12.1988
Selected format:Monoammonium phosphate and diammonium phosphate
Standard published on 30.11.2009
Selected format:Latest update: 2025-08-04 (Number of items: 2 211 733)
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