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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
Jack and plug for indoor telephone
WITHDRAWN published on 1.1.1989
Selected format:Flush mounted wall distribution box of telecommunication cable
WITHDRAWN published on 1.1.1989
Selected format:Specification for coin box telephone set
WITHDRAWN published on 1.1.1989
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:Postal equipment vocabulary
WITHDRAWN published on 5.11.1998
Selected format:Terminology of postal network
WITHDRAWN published on 31.3.1989
Selected format:Alkaline manganese button batteries
WITHDRAWN published on 1.1.1989
Selected format:R03 and R1 types zinc-manganese dry cells and batteries
WITHDRAWN published on 1.1.1989
Selected format:Specification for small wind generators
WITHDRAWN published on 31.3.1989
Selected format:Generator of off-grid wind turbines generator system—Part 1:Technical condition
WITHDRAWN published on 15.4.2003
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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