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GB - Chinese national standards - Page 4512

Standards GB - Chinese national standards - Page 4512

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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Preview GB/T 45239-2025 24.1.2025
GB/T 45239-2025

Evaluation methods of nocturnal blue light radiation hazards

Standard published on 24.1.2025

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Preview GB/T 45240-2025 24.1.2025
GB/T 45240-2025

General requirements for device-independent quantum random number generators

Standard published on 24.1.2025

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Preview GB/T 45241-2025 24.1.2025
GB/T 45241-2025

Data specification of official vehicle management platform

Standard published on 24.1.2025

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Preview GB/T 45242-2025 24.1.2025
GB/T 45242-2025

Determination of inositol in health foods

Standard published on 24.1.2025

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238.80 USD


in 3 working days
Preview GB/T 45243-2025 24.1.2025
GB/T 45243-2025

Determination of thiamine, riboflavin, pyridoxine, niacin, niacinamide and caffeine in health foods

Standard published on 24.1.2025

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Preview GB/T 45244-2025 28.2.2025
GB/T 45244-2025

Grades and specifications of garlic

Standard published on 28.2.2025

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Preview GB/T 45245-2025 28.2.2025
GB/T 45245-2025

Determination method of total organic carbon in wood-based panels and finishing products

Standard published on 28.2.2025

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Preview GB 45246-2025 24.1.2025
GB 45246-2025

Norm of energy consumption per unit production of main wood-based panel products

Standard published on 24.1.2025

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Preview GB 45247-2025 24.1.2025
GB 45247-2025

Norm of energy consumption per unit production of gas-steam combined cycle power set

Standard published on 24.1.2025

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Preview GB 45248-2025 28.2.2025
GB 45248-2025

Drug concentration cutoff values and examination for vehicle drivers

Standard published on 28.2.2025

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