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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
General requirements for monitoring equipments of power quality
WITHDRAWN published on 29.7.2005
Selected format:Stereomicroscopes—Part 1:Stereomicroscopes for general use
WITHDRAWN published on 29.7.2005
Selected format:Stereomicroscopes—Part 2:High performance stereomicroscopes
WITHDRAWN published on 29.7.2005
Selected format:Food additive Citric acid
WITHDRAWN published on 26.8.1986
Selected format:Food additive—Citric acid
WITHDRAWN published on 29.10.2007
Selected format:Industrial inspecting thermal imagers
WITHDRAWN published on 9.9.2005
Selected format:Digital television broadcast receivers--Electromagnetic compatibility--Request and methods of measurement
WITHDRAWN published on 29.7.2005
Selected format:Mechanical vibration—Susceptibility and sensitivity of machines to unbalance
WITHDRAWN published on 31.8.2005
Selected format:Mechanical vibration and shock--Vibration of stationary structures--Specific requirements for quality management in measurement and evaluation of vibration
WITHDRAWN published on 31.8.2005
Selected format:Safety of machinery—Positioning of protective equipment with respect to the approach speeds of parts of the human body
WITHDRAWN published on 30.8.2005
Selected format:Latest update: 2025-12-25 (Number of items: 2 253 105)
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