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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
Rules of investigation and forecast for the rice planthopper(Nilaparvata lugens stal and sogatalla furcifera horvath)
Standard published on 27.3.2009
Selected format:
Specification for investigation and forecast of rice planthopper
Execute Date: october 2026
Standard published on 31.3.2026
Selected format:Rules for monitoring and forecast of the wheat stripe rust (Puccinia striiformis West)
Standard published on 29.9.2011
Selected format:
Technical specification for monitoring and forecast of wheat stripe rust(Puccinia striiformis Westend.)
Execute Date: october 2026
Standard published on 31.3.2026
Selected format:Rules for monitoring and forecast of the wheat head blightFusarium graminearum Schw. / Gibberella zeae (Schw.) Petch
Standard published on 29.9.2011
Selected format:
Technical specification for monitoring and forecast of wheat head blight
Execute Date: october 2026
Standard published on 31.3.2026
Selected format:Rules for monitoring and forecast of the wheat rosette dwarfWheat Rosette Stunt Virus
Standard published on 29.9.2011
Selected format:Rules for investigation and forecast of the armyworm[Pseudaletia(Mythimna)separate Walker]
Standard published on 27.3.2009
Selected format:
Specification for investigation and forecast of armyworm
Execute Date: october 2026
Standard published on 31.3.2026
Selected format:Rules for monitoring and forecast of the cotton aphidAphis gossypii Glover
Standard published on 29.9.2011
Selected format:Latest update: 2026-05-13 (Number of items: 2 276 848)
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