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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 starch
WITHDRAWN published on 12.6.2009
Selected format:Wrought heavy non-ferrous metal products-Packing,marking,transporting and storing
WITHDRAWN published on 3.11.2003
Selected format:Prevailing torque type hexagon nuts(with non-metallic insert),Style 1
WITHDRAWN published on 26.9.2000
Selected format:Prevailing torque type hexagon nuts(with non-metallic insert),Style 1,with fine pitch thread
WITHDRAWN published on 26.9.2000
Selected format:Seamless copper alloy tube for condenser and heat-exchanger
WITHDRAWN published on 15.7.1998
Selected format:Seamless copper alloy tube for heat-exchanger
WITHDRAWN published on 30.4.2007
Selected format:Flat tube of copper and copper alloy for heat radiator
WITHDRAWN published on 9.6.2000
Selected format:Copper alloy tube for pressure gauge
WITHDRAWN published on 4.7.2005
Selected format:Copper and copper alloys—Rectangular and square waveguid tube
WITHDRAWN published on 29.2.1988
Selected format:Copper and copper alloys—Circular waveguid tube
WITHDRAWN published on 29.2.1988
Selected format:Latest update: 2024-09-09 (Number of items: 2 346 212)
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