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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
Plasticizers--Determination of mass loss on heating
Standard published on 28.8.2001
Selected format:Regional emblem of Hong Kong special administrative region
Standard published on 19.6.2008
Selected format:Quick hose’s connection
Standard published on 18.12.1996
Selected format:Shipbuilding--Bulbous bow and side thruster symbols
Standard published on 18.12.1996
Selected format:Small craft—Craft identification—Coding system
Standard published on 30.6.2025
Selected format:General technical requirement and measurement method for non-broadcast camera of single sensor
Standard published on 1.11.2017
Selected format:Measurement of emission rate of particle - Method for large area proportional counter
Standard published on 19.9.2008
Selected format:Principal requirements for radioimmunoassay kits
Standard published on 19.12.1996
Selected format:System control diagram
Standard published on 3.12.2025
Selected format:Plasticizers - Test method of heat resistance
Standard published on 18.6.2008
Selected format:Latest update: 2026-06-15 (Number of items: 2 282 497)
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