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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
Gears—Surface temper etch inspection after grinding
WITHDRAWN published on 11.10.1999
Selected format:Alternating current static var-hour meters for reactive energy (classes 2 and 3)
WITHDRAWN published on 10.10.1999
Selected format:Alternating current static watt-hour meters for active energy (classes 0.2S and 0.5S)
WITHDRAWN published on 10.10.1999
Selected format:Electronic ripple control receiver for tariff and load control
WITHDRAWN published on 10.10.1999
Selected format:Electromechanical contactors for household and similar purposes
WITHDRAWN published on 10.10.1999
Selected format:Electromechanical contactors for household and similar purposes
WITHDRAWN published on 30.9.2009
Selected format:Safety of machinery—Permanent means of access to machines and industrial plants—Part 1:Choice of a fixed means of access between two levels
WITHDRAWN published on 18.10.1999
Selected format:Safety of machinery—Permanent means of access to machinery—Part 1:Choice of a fixed means of access between two levels
WITHDRAWN published on 31.3.2008
Selected format:Safety of machinery—Permanent means of access to machines and industrial plants—Part 2:Working platforms and gangways
WITHDRAWN published on 18.10.1999
Selected format:Safety of machinery—Permanent means of access to machinery—Part 2:Working platforms and walkways
WITHDRAWN published on 31.3.2008
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 289)
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