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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
Parametric classification of environmental conditions of electric and electronic products for mobile platforms and offshore installations
WITHDRAWN published on 19.12.1992
Selected format:Test methods of explosion-proof performance for explosion-proof applied TV equipment with separate type
WITHDRAWN published on 19.12.1992
Selected format:Special warning lights for road vehicles
WITHDRAWN published on 19.12.1992
Selected format:Emergency vehicle warning lamps
WITHDRAWN published on 4.3.2004
Selected format:Installation and operation of residual current operated protective devices
WITHDRAWN published on 19.12.1992
Selected format:Installation and operation of residual current operated protective devices
WITHDRAWN published on 6.2.2005
Selected format:Safety of controllers for electric tools
WITHDRAWN published on 19.12.1992
Selected format:Technical requirements for the fundamental series of 3-phase large asynchronous motors
WITHDRAWN published on 19.12.1992
Selected format:Technical requirement for the fundamental series of three-phase large asynchronous motor
WITHDRAWN published on 23.4.2008
Selected format:Test procedure for non""direct current excitation winding synchronous motor
WITHDRAWN published on 19.12.1992
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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