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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
The issue of marine forecasts and warnings—Part 2:The issue of wave forecasts and warnings
WITHDRAWN published on 9.8.2005
Selected format:The issue of marine forecasts and warnings—Part 3:The issue of sea ice forecasts and warnings
WITHDRAWN published on 19.6.2006
Selected format:Determination of commercial mass of textile fibres consignments
WITHDRAWN published on 23.3.2005
Selected format:Forestry machinery—Portable chain-saws and brush cutters—Exhaust system-caused fire risk
WITHDRAWN published on 25.4.2005
Selected format:Forestry machinery—Portable brush cutters and grass trimmers—Safety requirements
WITHDRAWN published on 25.4.2005
Selected format:Agricultural and forestry machinery—Safety requirements and testing for portable,hand-held, powered brush-cutters and grass-trimmers—Part 1:Machines fitted with an integral combustion engine
WITHDRAWN published on 3.9.2014
Selected format:Agricultural and forestry machinery—Safety requirements and testing for portable hand-held powered brush-cutters and grass-trimmers—Part 2:Machines for use with back-pack power unit
WITHDRAWN published on 3.9.2014
Selected format:Forestry machinery—Portable chain-saws—Safety requirements and testing
WITHDRAWN published on 25.4.2005
Selected format:Machinery for forestry—Portable chain-saws—Safety requirements and testing—Part 1:Chain-saws for normal forest work
WITHDRAWN published on 23.12.2008
Selected format:Machinery for forestry—Portable chain-saw safety requirements and testing—Part 1:Chain-saws for forest service
WITHDRAWN published on 31.12.2013
Selected format:Latest update: 2025-12-24 (Number of items: 2 253 093)
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