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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
EDIFACT Rules for presentation of standardidized message and directories documentation
WITHDRAWN published on 26.5.1997
Selected format:General requirements of safety design for measuring relays and protection equipment
WITHDRAWN published on 3.6.1997
Selected format:General requirements of safety design for measuring relays and protection equipment
WITHDRAWN published on 9.10.2003
Selected format:Safety requirements for switched and fused portable multiple socket-outlet without interlock for household and similar purposes
WITHDRAWN published on 3.6.1997
Selected format:Environmental test methods and severities for fire electronic products
WITHDRAWN published on 3.6.1997
Selected format:Environmental test methods and severities for fire electronic products
WITHDRAWN published on 1.9.2005
Selected format:Thermocouples—Part 1:Reference tables
WITHDRAWN published on 3.6.1997
Selected format:Thermocouples—Part 2:Tolerances
WITHDRAWN published on 3.6.1997
Selected format:Vulcanized rubber; Testing short time static compression
WITHDRAWN published on 24.5.1985
Selected format:Technical determination methods for electrical fire cause Part 1:Macroscopic method
WITHDRAWN published on 3.6.1997
Selected format:Latest update: 2026-02-01 (Number of items: 2 258 192)
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