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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
Test methods for saw gin
WITHDRAWN published on 1.1.1985
Selected format:Test methods for saw linter
WITHDRAWN published on 1.1.1985
Selected format:Saw for saw gin and saw delinter
WITHDRAWN published on 1.1.1985
Selected format:Cast carbon steels for general engineering purposes
WITHDRAWN published on 1.1.1985
Selected format:Methods of radiographic testing and classification of radiographs for steel castings
WITHDRAWN published on 4.12.1985
Selected format:Radiographic testing for steel castings
WITHDRAWN published on 23.8.2007
Selected format:The method for sampling cast alloys for spectrochemical analysis
WITHDRAWN published on 4.12.1985
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Marine pipe flanges--Types
WITHDRAWN published on 16.7.1965
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2026-05-04 (Number of items: 2 275 493)
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