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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
Analysis method of white granulated sugar
WITHDRAWN published on 1.1.1991
Selected format:Determination of particle size of aluminium powder--Mechanical vibration sieve method
WITHDRAWN published on 19.8.1982
Selected format:Determination of particle size of aluminium powder--Manual-air-blowing sieve method
WITHDRAWN published on 19.8.1982
Selected format:Determination of particle size of aluminiumpowder--Sieve analysis with alcohol
WITHDRAWN published on 19.8.1982
Selected format:Determination of apparent density of aluminium powder--Funnel method
WITHDRAWN published on 19.8.1982
Selected format:Determination of apparent density of aluminium powder--Volumeter method
WITHDRAWN published on 19.8.1982
Selected format:Determination of adhesion ratio of aluminium powder Steel plate method
WITHDRAWN published on 19.8.1982
Selected format:Information technology—Security techniques—Information security risk management
WITHDRAWN published on 2.6.2015
Selected format:Portable luminaires with charging devices
WITHDRAWN published on 2.6.2015
Selected format:Determination of coating surface of aluminium powder on water
WITHDRAWN published on 19.8.1982
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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