Standards GB - Chinese national standards - Page 4500

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 45136-2024

Technical specification for somatic cell cloning of pig, cattle, sheep and goat

Standard published on 31.12.2024

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GB/T 45137-2024

Technical code of practice with genome editing and breeding for livestock and poultry

Standard published on 31.12.2024

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GB/T 45138-2024

Technical specification for evaluation of antiviral activity of interferon

Standard published on 31.12.2024

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GB/T 45139-2024

Determination of bergapten content in essential oils of bergamot,lemon,bitter orange and lime(fully or partially reduced in bergapten)—High-performance liquid chromatography

Standard published on 31.12.2024

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GB/T 45140-2025

Technical guideline for monitoring and effectiveness evaluation of mangrove ecological restoration

Standard published on 24.1.2025

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