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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
Procedures for the development and testing of graphical symbols for use on signs
WITHDRAWN published on 26.3.1990
Selected format:Vocabulary for starch, including derivatives and by-products
WITHDRAWN published on 29.12.1989
Selected format:Starch vocabulary
WITHDRAWN published on 12.6.2009
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:General technical requirements of electronic organs
WITHDRAWN published on 19.5.1998
Selected format:General technical requirements of electronic keyboards
WITHDRAWN published on 5.12.2007
Selected format:Environmental experimental requirements and experimental methods for electronic organs
WITHDRAWN published on 29.12.1989
Selected format:Requirements and methods of enviromental test for electronic keyboards
WITHDRAWN published on 5.12.2007
Selected format:Series of key width measurements for keyboard musical instrument
WITHDRAWN published on 1.1.1989
Selected format:Welded wire fabric coated with zinc
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2025-11-09 (Number of items: 2 243 571)
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