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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)--Acaricides against spidermites on citrus
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Insecticides against scale insectes on citrus
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Insecticides against larvaeof lepidoptera on crucifer vegetable
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Insecticides against cabbage webworm
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Insecticides against aphids on potatosugar beet and other vegetable
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Insecticides against greenhouse whitefly
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Acaricides against spidermites on beans and vegetable
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Insecticides against striped flea beetle on crucifer vegetable
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against leaf diseases for rice
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Insecticides against rice leafroller
WITHDRAWN published on 1.2.2000
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 289)
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