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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
Technical safety regulation for gaseous hydrogen use
WITHDRAWN published on 1.3.1985
Selected format:Normal equal-loudness contours for pure tones under free field listening conditions
WITHDRAWN published on 28.2.1985
Selected format:Measurement of noise emitted by vessels on inland water ways and harbours
WITHDRAWN published on 28.2.1985
Selected format:Standard test method for tensile strength of domestic ceramic
WITHDRAWN published on 1.3.1985
Selected format:General specification for electronic calculators
WITHDRAWN published on 1.1.1985
Selected format:Classification of fires
WITHDRAWN published on 4.3.1985
Selected format:Universal joint and drive shaft--Nomenclature and terminology
WITHDRAWN published on 1.1.1985
Selected format:Universal joint and drive shaft--Nomenclature and terminology
WITHDRAWN published on 2.3.1985
Selected format:-
WITHDRAWN published on 1.1.1977
Selected format:Method of random input running test--Automotive ride comfort
WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2025-12-24 (Number of items: 2 253 093)
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