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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
Glossary of terms for railway locomotives--Terms of electric traction equipment
WITHDRAWN published on 1.1.1984
Selected format:Technical safety requirements of rocket production for rainfall enhancement and hail suppression
WITHDRAWN published on 12.5.2017
Selected format:Supply voltages for industrial process measurement and control instruments
WITHDRAWN published on 1.1.1982
Selected format:General microganism identification method with matrix-assisted laser desorption/ionization time of flight mass spectrometry
WITHDRAWN published on 12.5.2017
Selected format:Technical specifications of surveying and positioning for petroleum geophysical prospecting on land
WITHDRAWN published on 12.5.2017
Selected format:Technical specification of seismic data interpretation
WITHDRAWN published on 12.5.2017
Selected format:Technical specifications for land seismic exploration data processing
WITHDRAWN published on 12.5.2017
Selected format:Technical specifications for land seismic exploration data processing
WITHDRAWN published on 12.5.2017
Selected format:Analogue direct current signals for industrial process measurement and control instruments
WITHDRAWN published on 31.3.1989
Selected format:Concentrated nitric acid
WITHDRAWN published on 1.1.1984
Selected format:Latest update: 2026-07-13 (Number of items: 2 286 490)
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