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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
Machinery for forestry—Chain-saws for tree service—Safety requirements and testing
WITHDRAWN published on 18.12.2006
Selected format:Ordinary cylindrical helical compression springs (end squared by grinding or by forging)--Dimensions
WITHDRAWN published on 1.1.1980
Selected format:Cylindrically coiled compression spring—Dimensions and parameters
WITHDRAWN published on 27.12.1994
Selected format:Limits and measurement methods for exhaust pollutants from diesel engines of non-road mobile machinery()
WITHDRAWN published on 3.4.2007
Selected format:Praseodymium-Neodymium alloy
WITHDRAWN published on 19.4.2007
Selected format:Small craft—Liquid-fuelled galley stoves
WITHDRAWN published on 26.3.2007
Selected format:Small craft - Stability and buoyancy assessment and categorization - Part 1: Non-sailing boats of hull length greater than or equal to 6m
WITHDRAWN published on 26.3.2007
Selected format:Small craft - Stability and buoyancy assessment and categorization - part 2: Sailing boats of hull length greater than or equal to 6m
WITHDRAWN published on 26.3.2007
Selected format:Small craft - Stability and buoyancy assessment and categorization - Part 3: Boats of hull length less than 6m
WITHDRAWN published on 26.3.2007
Selected format:Small craft - Watertight cockpits and quick-draining cockpits
WITHDRAWN published on 26.3.2007
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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