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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
Lead ingots
WITHDRAWN published on 18.4.1995
Selected format:Lead ingots
WITHDRAWN published on 4.7.2005
Selected format:Lead ingots
WITHDRAWN published on 17.12.2013
Selected format:Discrimination of the location of leather
WITHDRAWN published on 6.10.1984
Selected format:Measuring the thickness of leather
WITHDRAWN published on 1.1.1984
Selected format:Calculation and measuring the defects of leather
WITHDRAWN published on 6.10.1984
Selected format:The rules of examination of leather for acceptance
WITHDRAWN published on 6.10.1984
Selected format:Packing, marking, transportation and conservation of leather
WITHDRAWN published on 6.10.1984
Selected format:Wheel tread and dimensions for narrow gauge locomotives and vehicles
WITHDRAWN published on 5.10.1984
Selected format:Maritime buoyage system, China
WITHDRAWN published on 31.5.1999
Selected format:Latest update: 2025-12-17 (Number of items: 2 252 317)
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