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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
Test method for hemp fibre—Part 4:Test method for fineness of hemp fibre
WITHDRAWN published on 24.7.2000
Selected format:Test method for hemp fibre—Part 5:Test method for breaking strength of hemp fibre
WITHDRAWN published on 24.7.2000
Selected format:Test method for hemp fibre—Part 6:Test method for defect in hemp fibre
WITHDRAWN published on 24.7.2000
Selected format:Testing method of the compaction performance of rollers and compactors
WITHDRAWN published on 24.7.2000
Selected format:Centrifugal, mixed flow and axial pumps—Code for hydraulic performance tests—Precision class
WITHDRAWN published on 24.7.2000
Selected format:Determination for the bromine number of benzole products
WITHDRAWN published on 11.11.1997
Selected format:Guidance on the selection of roller chain drives
WITHDRAWN published on 24.7.2000
Selected format:Laser guards
WITHDRAWN published on 24.7.2000
Selected format:Laser guards
WITHDRAWN published on 15.12.2008
Selected format:Safety of machinery--Temperatures of touchable surfaces--Ergonomics data to establish temperature limit values for hot surfaces
WITHDRAWN published on 24.7.2000
Selected format:Latest update: 2024-09-27 (Number of items: 2 350 600)
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