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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--Guidelinesfor the field efficacy trials(I)--Insecticides against leafhopper on rice
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against cucumber powdery mildew
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against early and late blight of tomato
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against pepper phytophthora blight
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against pepper anthracnose
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against late blight of potato
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against sclerotinia stem rot of rape
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Fungicides seed treatment against seedling diseases
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Nematocides against cyst nematode disease
WITHDRAWN published on 1.2.2000
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Nematocides against root-knot nematodedisease
WITHDRAWN published on 1.2.2000
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 289)
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