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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
Silicon carbide surge arresters for A.C.systems
WITHDRAWN published on 2.3.1987
Selected format:Silicon carbide surge arresters for a.c.systems
WITHDRAWN published on 18.6.2008
Selected format:Coupling devices for power line carrier systems
WITHDRAWN published on 16.3.1998
Selected format:Gunnybags, hessiancloth—Methods of testing
WITHDRAWN published on 19.11.1987
Selected format:Line traps for a.c. power systems
WITHDRAWN published on 16.3.1998
Selected format:Plant quarantine rules for producing areas of seed potato
WITHDRAWN published on 1.3.1987
Selected format:Fixed capacitors for use in electronic equipment Part 2:Sectional specification Fixed metallized polyethylene-terephthalate film dielectric d.c.capacitors
WITHDRAWN published on 9.7.1996
Selected format:Fixed capacitors for use in electronic equipment Part 2:Blank detail specification Fixed metallized polyethylene-terephthalate film dielectric d.c.capacitors Assessment level E
WITHDRAWN published on 9.7.1996
Selected format:Gunnybags, hessiancloth—Packaging and marking
WITHDRAWN published on 19.11.1987
Selected format:Audiometers Part 1:Pure-tone audiometers
WITHDRAWN published on 8.5.1998
Selected format:Latest update: 2025-07-31 (Number of items: 2 210 448)
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