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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
Method of tension test for front fillet welded joint
WITHDRAWN published on 20.11.1995
Selected format:The method of galvanic corrosion test for metallic ship materials
WITHDRAWN published on 20.11.1995
Selected format:Manual measuring method in quantitative metallography
WITHDRAWN published on 20.11.1995
Selected format:Determination of yield of benzene-soluble extract in brown coal
WITHDRAWN published on 12.11.2001
Selected format:Test program for the ageing properties of piezoelectric ceramics
WITHDRAWN published on 20.11.1995
Selected format:Limits of size for general purpose screw threads
WITHDRAWN published on 23.11.1995
Selected format:Surface defect--Terms
WITHDRAWN published on 23.11.1995
Selected format:Basic terminology of spline
WITHDRAWN published on 23.11.1995
Selected format:Design and requirements for the templates of human body
WITHDRAWN published on 23.11.1995
Selected format:Water quality for industrial boilers
WITHDRAWN published on 10.1.2001
Selected format:Latest update: 2024-09-27 (Number of items: 2 350 600)
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