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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 for investigation and forecast of the rice sheath blight (Rhizoctonia solani Kukn)
WITHDRAWN published on 8.12.1995
Selected format:Rules for investigation and forecast of the rice stem borer [Chilo suppressalis (Walker)]
WITHDRAWN published on 8.12.1995
Selected format:Rules for investigation and forecast of the rice leaf-roller(Cnaphalocrocis medinalis Guenee)
WITHDRAWN published on 8.12.1995
Selected format:Rules for investigation and forecast of the brown planthopper(Nilaparvata lugens Stal) and the white-backed planthopper(Sogatalla furcifera Horvath)
WITHDRAWN published on 8.12.1995
Selected format:Rules for investigation and forecast of the wheat stripe rust (Puccinia striiformis West.)
WITHDRAWN published on 8.12.1995
Selected format:Rules for investigation and forecast of the wheat scab [Gibberella zeae (Schw.)Petch]
WITHDRAWN published on 8.12.1995
Selected format:Rules for investigation and forecast of the wheat rosette virus (WRV)
WITHDRAWN published on 8.12.1995
Selected format:Rules for investigation and forecast of the armyworm [Mythimna separata (Walker)]
WITHDRAWN published on 8.12.1995
Selected format:Rules for investigation and forecast of the cotton aphid (Aphis gossypii Glover)
WITHDRAWN published on 8.12.1995
Selected format:Rules for investigation and forecast of the cotton bollworm [Heliothis armigera (Hübner)]
WITHDRAWN published on 8.12.1995
Selected format:Latest update: 2024-09-25 (Number of items: 2 350 354)
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