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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
Earth-moving machinery--Operater seat--Vibration testing method and limiting levels
WITHDRAWN published on 17.12.1987
Selected format:Earth-moving machinery—Laboratory evaluation of operator seat vibration
WITHDRAWN published on 1.11.2007
Selected format:Earth-moving machinery—Human physical dimensions of operators and minimum operator space envelope
WITHDRAWN published on 19.5.2000
Selected format:Laboratory measurement and limits of operator""s seat transmitted vibration for agricultural wheeled tractors
WITHDRAWN published on 16.3.2000
Selected format:Methods of reliabillity test for vibratory rollers
WITHDRAWN published on 17.12.1987
Selected format:-
WITHDRAWN published on 1.1.1987
Selected format:Glossary of oil field drilling and production equipment and oil country tubular goods terminology
WITHDRAWN published on 28.5.1997
Selected format:Glossary of oil field drilling and production equipment and oil country tubular goods terminology
WITHDRAWN published on 28.8.2008
Selected format:Textiles--Method for the measurement of colour and colour differences
WITHDRAWN published on 1.1.1987
Selected format:Textiles--Method for the instrumental assessment of whiteness
WITHDRAWN published on 1.1.1987
Selected format:Latest update: 2026-05-13 (Number of items: 2 276 848)
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