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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
Raw natural rubber—Smoked sheets
WITHDRAWN published on 10.7.1987
Selected format:Raw natural rubber—White crepes and pale crepes
WITHDRAWN published on 10.7.1987
Selected format:General technic requirements for machinery for primary processing of natural rubber
WITHDRAWN published on 1.1.1987
Selected format:Types and basic parameters for hand pump
WITHDRAWN published on 1.1.1987
Selected format:Technical requirement for hand pump
WITHDRAWN published on 1.1.1987
Selected format:Equipment for working the soil--Concave disks
WITHDRAWN published on 1.1.1987
Selected format:Equipment for harvesting--Combine harvester--Determination and designation of grain tank capacity and unloading device performance
WITHDRAWN published on 23.7.1987
Selected format:Equipment for harvesting—Combine harvesters—Determination and designation of grain tank capacity and unloading device performance
WITHDRAWN published on 8.6.2005
Selected format:Dimensional compatibility of forage harvesting machinery
WITHDRAWN published on 23.7.1987
Selected format:Test methods for power-operated knapsack sprayer--Dusters
WITHDRAWN published on 1.1.1987
Selected format:Latest update: 2026-03-25 (Number of items: 2 269 413)
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