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Standards GB - Chinese national standards - Page 850
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
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GB/T 17980.135-2004
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Pesticide--Guidelines for the field efficacy trials()--Part 135:Herbicides against weeds in strawberry
Standard published on 3.3.2004
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GB/T 17980.136-2004
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Pesticide--Guidelines for the field efficacy trials()--Part 136:Restrain shoot medicament trials on tobacoo
Standard published on 3.3.2004
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GB/T 17980.137-2004
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Pesticide--Guidelines for the field efficacy trials()--Part 137:Restrain shoot medicament trials on potato
Standard published on 3.3.2004
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GB/T 17980.138-2004
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Pesticide--Guidelines for the field efficacy trials()--Part 138:Herbicides against weedsin hydro-phily
Standard published on 3.3.2004
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GB/T 17980.139-2004
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Pesticide--Guidelines for the field efficacy trials()--Part 139:Plant growth regulator trials on corn
Standard published on 3.3.2004
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GB/T 17980.14-2000
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Pesticide--Guidelines for the field efficacy trials(I)--Insecticides against cabbage webworm
Standard published on 1.2.2000
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GB/T 17980.14-2026
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Pesticide—Guidelines for the field efficacy trials—Part 14: Insecticides against cabbage webworm
Standard published on 27.2.2026
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GB/T 17980.140-2004
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Pesticide--Guidelines for the field efficacy trials()--Part 140:Plant growth regulator trials on rice
Standard published on 3.3.2004
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GB/T 17980.141-2004
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Pesticide--Guidelines for the field efficacy trials()--Part 141:Plant growth regulator trials on cucumber
Standard published on 3.3.2004
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GB/T 17980.142-2004
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Pesticide--Guidelines for the field efficacy trials()--Part 142:Plant growth regulator trials on tomato
Standard published on 3.3.2004
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