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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
Small volume dissolved acetylene cylinders
WITHDRAWN published on 25.1.1996
Selected format:Sacrificial anode cathodic protection for seawater cooling system in coastal power station
WITHDRAWN published on 25.1.1996
Selected format:Technical conditions of lifeboat glass fiber reinforced plastics laminate
WITHDRAWN published on 25.1.1996
Selected format:Accelerated test methods for atmospheric surface coating systems for offshore structures
WITHDRAWN published on 25.1.1996
Selected format:Limits of noise emitted by motorcycles and mopeds
WITHDRAWN published on 1.1.1996
Selected format:Limits and measurement of noise emitted by mopeds
WITHDRAWN published on 21.8.2000
Selected format:Barium chloride for industrial use
WITHDRAWN published on 22.3.1989
Selected format:Barium chloride for industrial use
WITHDRAWN published on 24.9.2002
Selected format:Barium chloride for industrial use
WITHDRAWN published on 8.7.2014
Selected format:Emission standard of air pollutants for coke oven
WITHDRAWN published on 7.3.1996
Selected format:Latest update: 2025-11-06 (Number of items: 2 243 364)
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