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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
Classification of unshaped refractory materials
WITHDRAWN published on 17.11.2000
Selected format:Rules for designation and identification of types of sewing machines
WITHDRAWN published on 1.1.1984
Selected format:Stitch types—classification and terminology
WITHDRAWN published on 23.6.1984
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Household sewing machines—Determination of sewing capacity
WITHDRAWN published on 5.5.1995
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Household sewing machines—Determination of directional stability
WITHDRAWN published on 5.5.1995
Selected format:Household sewing machines--Determination of creep of one ply of material over another
WITHDRAWN published on 23.6.1984
Selected format:Straight lock stitch sewing machine heads for household sewing machines
WITHDRAWN published on 1.1.1984
Selected format:Paper and board--Identification of machine and cross direction
WITHDRAWN published on 22.2.1989
Selected format:Latest update: 2025-09-15 (Number of items: 2 233 685)
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