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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 34Fungicides against late blight of potato
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against sclerotinia stem rot of rape
Standard published on 1.2.2000
Selected format:Pesticide—Guidelines for the field efficacy trials—Part 35Fungicides against selerotinia stem rot of rape
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Fungicides seed treatment against seedling diseases
Standard published on 1.2.2000
Selected format:Pesticide—Guidelines for the field efficacy trials—Part 36Fungicides seed treatment against seedling diseases
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Nematocides against cyst nematode disease
Standard published on 1.2.2000
Selected format:Pesticide—Guidelines for the field efficacy trials—Part 37Nematicides against cyst nematode disease
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Nematocides against root-knot nematodedisease
Standard published on 1.2.2000
Selected format:Pesticide—Guidelines for the field efficacy trials—Part 38Nematicides against root-knot nematode disease (root-knot nematodes, root lesion nematodes, stem nematodes)
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against store disease of citrus
Standard published on 1.2.2000
Selected format:Latest update: 2026-09-09 (Number of items: 2 300 143)
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