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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
Pesticide--Guidelines for the field efficacy trials()--Part 85:Fungicides against alternaria leaf spots of peanut
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 86:Fungicides against cercospora leaf spot of sugarbeet
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 87:Fungicides againstroot rot of sugarbeet
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 88:Fungicides against rootrot of soybean
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 89:Fungicides against rust ofsoybean
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Insecticides against aphids on orchard
Standard published on 1.2.2000
Selected format:Pesticide— Guidelines for the field efficacy trials—Part 9: Insecticides against aphids on orchard
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 90:Fungicides against black shank of tobacco
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 91:Fungicides against brown leaf spot of tobacco
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 92:Fungicides against verticillium wilt and fusarium wilt of cotton
Standard published on 3.3.2004
Selected format:Latest update: 2026-09-09 (Number of items: 2 300 143)
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