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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
Paper and board--Determination of the sizing value(ink line)
WITHDRAWN published on 31.3.1989
Selected format:Paper—Determination of the sizing value(Ink line method)
WITHDRAWN published on 5.9.2002
Selected format:Artificial ice
WITHDRAWN published on 1.1.1984
Selected format:Ice can
WITHDRAWN published on 1.1.1984
Selected format:Fishing frozen plate
WITHDRAWN published on 1.1.1984
Selected format:Needle roller bearings--Heavy series--Dimensions and tolerances
WITHDRAWN published on 31.7.1984
Selected format:Rolling bearings—Radial internal clearance
WITHDRAWN published on 2.3.1993
Selected format:Rolling bearings—Radial internal clearance
WITHDRAWN published on 9.1.2006
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Road vehicles--50 semi-trailer fifth wheel coupling pin--Basic and mounting/interchangeability dimensions
WITHDRAWN published on 31.7.1984
Selected format:Latest update: 2025-12-22 (Number of items: 2 253 013)
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