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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
Methods of non-optical test for welding goggles and mask
WITHDRAWN published on 15.4.1983
Selected format:Methods of optical test for welding goggles
WITHDRAWN published on 15.4.1983
Selected format:Zinc circular blank for dry cell
WITHDRAWN published on 1.1.1983
Selected format:Zinc wafer for dry cell
WITHDRAWN published on 22.12.1997
Selected format:As-sintered hardmetal blanks used in measuring tools
WITHDRAWN published on 31.3.1989
Selected format:As-sintered hardmetal blanks used in cold forging dies for steel ball
WITHDRAWN published on 1.1.1989
Selected format:-
WITHDRAWN published on 1.1.1983
Selected format:Aluminium alloy foil
WITHDRAWN published on 23.7.1999
Selected format:-
WITHDRAWN published on 1.1.1983
Selected format:Aluminium foil for electrolytic capacitor
WITHDRAWN published on 23.7.1999
Selected format:Latest update: 2025-12-18 (Number of items: 2 252 678)
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