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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 119:Fungicides against powdery mildew of strawberry
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Insecticides against scale insectes on citrus
Standard published on 1.2.2000
Selected format:Pesticide—Guidelines for the field efficacy trials—Part 12: Insecticides against scale insects on citrus
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 120:Fungicides against gray mold rot of strawberry
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 121:Fungicides against white rot of grape
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 122:Fungicides against downy mildew of grape
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 123:Fungicides against bird’s eye rot of grape
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 124:Fungicides againstalternaria leaf spot of apple
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 125:Herbicides against weeds in soybean
Standard published on 3.3.2004
Selected format:Pesticide--Guidelines for the field efficacy trials()--Part 126:Herbicides against weeds in peanut
Standard published on 3.3.2004
Selected format:Latest update: 2026-09-09 (Number of items: 2 300 143)
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