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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
Equipment for crop protection—Spraying equipment—Part 1:Test methods for sprayer nozzles
WITHDRAWN published on 3.4.2006
Selected format:Equipment for crop protection—Spraying equipment—Part 2:Test methods for hydraulic sprayers
WITHDRAWN published on 3.4.2006
Selected format:Equipment for crop protection—Spraying equipment—Part 3:Test methods for volume/hectare adjustment systems of agricultural hydraulic pressure sprayers
WITHDRAWN published on 3.4.2006
Selected format:Technical condition for Raman Fiber Amplifier
WITHDRAWN published on 5.4.2006
Selected format:Secondary coating materials used for optical fiber—Part 2:Modified propylene resin
WITHDRAWN published on 28.7.2008
Selected format:Animal feeding stuffs—Determination of starch content—Polarimetric method
WITHDRAWN published on 24.2.2006
Selected format:Animal feeding stuffs—Preparation of test samples
WITHDRAWN published on 24.2.2006
Selected format:-
WITHDRAWN published on 1.1.1983
Selected format:Specifications for construction and acceptance of ground and foundations
WITHDRAWN published on 29.10.1983
Selected format:Sodium alpha-olefin sulfonate
WITHDRAWN published on 21.2.2006
Selected format:Latest update: 2025-12-26 (Number of items: 2 253 153)
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