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GB - Chinese national standards - Page 4361

Standards GB - Chinese national standards - Page 4361

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 43991-2024 25.4.2024
GB/T 43991-2024

Service specifications for operation and maintenance of urban tunnel

Standard published on 25.4.2024

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Preview GB/T 43992-2024 25.4.2024
GB/T 43992-2024

Specification for construction service quality evaluation of urban luminous environment

Standard published on 25.4.2024

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Preview GB/T 43993-2024 25.4.2024
GB/T 43993-2024

Urban public facilities—Electronic fence system—Operation specification

Standard published on 25.4.2024

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Preview GB/T 43994-2024 25.4.2024
GB/T 43994-2024

Moisture content for grain safe storage

Standard published on 25.4.2024

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Preview GB/T 43995-2024 28.5.2024
GB/T 43995-2024

Digital space photogrammetry—Specifications for aerial triangulation

Standard published on 28.5.2024

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Preview GB/Z 43996.1-2024 28.5.2024
GB/Z 43996.1-2024

Fine bubble technology—Agricultural applications—Part 1:Test method for evaluating the growth promotion of hydroponically grown lettuce

Standard published on 28.5.2024

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Preview GB/Z 43996.2-2024 25.4.2024
GB/Z 43996.2-2024

Fine bubble technology—Agricultural applications—Part 2: Test method for evaluating the promotion of the germination of barley seeds

Standard published on 25.4.2024

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Preview GB/Z 43996.3-2026 28.1.2026
GB/Z 43996.3-2026

Fine bubble technology—Agricultural applications—Part 3: Guidelines for the minimum viable number concentration of ultrafine bubbles for promoting the germination of barley seeds

Standard published on 28.1.2026

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Preview GB/T 43997.1-2024 25.4.2024
GB/T 43997.1-2024

Surface temperature retrieval from thermal infrared remote sensing data—Part 1: Single channel method

Standard published on 25.4.2024

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Preview GB/T 43997.2-2024 25.4.2024
GB/T 43997.2-2024

Surface temperature retrieval from thermal infrared remote sensing data—Part 2: Split-window method

Standard published on 25.4.2024

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