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Standards GB - Chinese national standards - Page 4479

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 44907-2024

Technical criteria for quality evaluation of biomass fired boilers

Standard published on 26.10.2024

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GB/T 44908-2024

Safety requirements and evaluation methods for technical transformation of wind farm

Standard published on 26.10.2024

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GB/T 44909-2024

Additive manufacturing—Technical requirements for product data protection of cloud service platform

Standard published on 28.11.2024

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GB/T 4491-2003

Rubber transfusion tubes

Standard published on 13.6.2003

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GB/T 44910-2024

Amber grading

Standard published on 28.11.2024

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GB/T 44911-2024

Aircraft equipment—Environmental and operating conditions for airborne equipment—Humidity,temperature and pressure tests

Standard published on 28.11.2024

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GB/T 44912-2024

Aircraft—Fire-resisting electrical cables—Dimensions,conductor resistance and mass

Standard published on 28.11.2024

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GB/T 44913-2024

Filled monocrystal gemstones—Identification and classification

Standard published on 28.11.2024

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GB/T 44914-2024

Hetianyu grading

Standard published on 28.11.2024

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GB/T 44915-2024

Technical specification at the project level for assessment of greenhouse gas emission reductions—Greenhouse gas and wastewater treatment and waste recycle

Standard published on 28.11.2024

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