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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
Methods of testing bamboo-mat plywood
WITHDRAWN published on 16.7.1991
Selected format:General rule for damp heat protective packaging methods of machinery products
WITHDRAWN published on 15.8.1991
Selected format:General specification for damp heat protective packaging of machinery products
WITHDRAWN published on 15.8.1991
Selected format:Specifications for interworking of chinese ideogram teletex on public telecommunication networks--The terminal equipment
WITHDRAWN published on 15.8.1991
Selected format:Specification for interworking of chinese ideogram teletex on public telecommunication networks--Character repertoire and coded character sets
WITHDRAWN published on 15.8.1991
Selected format:Specifications for interworking of chinese ideogram teletex on public telecommunication networks--Control procedures
WITHDRAWN published on 15.8.1991
Selected format:-
WITHDRAWN published on 1.1.1977
Selected format:Specification for interworking of chinese ideogram te-letex on public telecommunication networks—Transportservice
WITHDRAWN published on 15.8.1991
Selected format:Code of Chinese ideogram set for information interchange--3th supplementary set
WITHDRAWN published on 15.8.1991
Selected format:Code of Chinese ideogram set for information interchange--5th supplementary set
WITHDRAWN published on 15.8.1991
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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