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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(I)--Fungicides against store disease of citrus
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Insecticides against planthopper on rice
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Herbicides against weeds in rice
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Herbicides against weeds in cereals
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Herbicides against weeds in maize
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Herbicides against weeds in leafy vegetables
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Herbicides against weeds in orchards
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Herbicides against weeds in rapes
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Herbicides against weeds in outdoorfruit vegetables
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Herbicides against weeds in root vegetables
WITHDRAWN published on 1.2.2000
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 289)
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