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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
Aluminium windows and doors
WITHDRAWN published on 7.8.2008
Selected format:Aluminium windows
WITHDRAWN published on 12.3.2003
Selected format:Plain washers--Small series--Product grade A
WITHDRAWN published on 1.8.1985
Selected format:Graduation and test method for thermal insulating properties of windows
WITHDRAWN published on 28.4.2002
Selected format:Graduation and test method for thermal insulating properties of doors and windows
WITHDRAWN published on 30.7.2008
Selected format:The graduation and test method for airborne sound insulating properties of windows
WITHDRAWN published on 28.4.2002
Selected format:Inspection rules for hollow section steel screen doors and windows
WITHDRAWN published on 1.7.1988
Selected format:Terms for port cargo handling
WITHDRAWN published on 25.12.1987
Selected format:Acid-resisting bricks and tiles
WITHDRAWN published on 13.7.2001
Selected format:Testing method for compressive(crushing)strength of high performance ceramics
WITHDRAWN published on 15.12.1987
Selected format:Latest update: 2024-12-21 (Number of items: 2 216 840)
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