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Standards GB - Chinese national standards - Page 853
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 17980.20-2026
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Pesticide—Guidelines for the field efficacy trials—Part 20Fungicides against sheath blight of rice
Standard published on 27.2.2026
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GB/T 17980.21-2000
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Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against seed--Bonecereal fungi
Standard published on 1.2.2000
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GB/T 17980.21-2026
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Pesticide—Guidelines for the field efficacy trials—Part 21Fungicides against seed-borne diseases of cereals
Standard published on 27.2.2026
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GB/T 17980.22-2000
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Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against cereal powdery mildew
Standard published on 1.2.2000
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GB/T 17980.22-2026
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Pesticide—Guidelines for the field efficacy trials—Part 22Fungicides against cereal powdery mildew
Standard published on 27.2.2026
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GB/T 17980.23-2000
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Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against cereal rust
Standard published on 1.2.2000
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GB/T 17980.23-2026
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Pesticide—Guidelines for the field efficacy trials—Part 23Fungicides against cereal rust
Standard published on 27.2.2026
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GB/T 17980.24-2000
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Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against scab of pear
Standard published on 1.2.2000
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GB/T 17980.24-2026
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Pesticide—Guidelines for the field efficacy trials—Part 24Fungicides against scab of pear
Standard published on 27.2.2026
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GB/T 17980.25-2000
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Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against apple tree eusopean canlcer
Standard published on 1.2.2000
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