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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
Thread take-up lever complete for household sewing machines
WITHDRAWN published on 1.1.1984
Selected format:Roller complete for household sewing machines
WITHDRAWN published on 1.1.1984
Selected format:Thread take-up lever hinge screws for household sewing machines
WITHDRAWN published on 1.1.1984
Selected format:Paper and board--Determination of tensile properties--Constant rate of loading method
WITHDRAWN published on 31.3.1989
Selected format:Paper and board—Determination of tensile properties(Constant rate of loading methods)
WITHDRAWN published on 22.7.2002
Selected format:Arm shafts for household sewing machines
WITHDRAWN published on 1.1.1984
Selected format:Feeding cams for household sewing machines
WITHDRAWN published on 1.1.1984
Selected format:Oscillating shafts for household sewing machines
WITHDRAWN published on 1.1.1984
Selected format:Throat plates for household sewing machines
WITHDRAWN published on 1.1.1984
Selected format:Feed cover plates for household sewing machines
WITHDRAWN published on 1.1.1984
Selected format:Latest update: 2025-09-15 (Number of items: 2 233 685)
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