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GB - Chinese national standards - Page 4573

Standards GB - Chinese national standards - Page 4573

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 45731-2025 30.5.2025
GB/T 45731-2025

Agricultural production trusteeship—General requirements for digital management

Standard published on 30.5.2025

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Preview GB/T 45732-2025 30.5.2025
GB/T 45732-2025

Recyclable resources recycling system—Construction specification of collection site

Standard published on 30.5.2025

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Preview GB/T 45733-2025 30.5.2025
GB/T 45733-2025

The determination of polysaccharides in white jully fungus—Ion chromatography

Standard published on 30.5.2025

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Preview GB/T 45734-2025 30.5.2025
GB/T 45734-2025

Vibration test method for reciprocating aircraft engines

Standard published on 30.5.2025

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Preview GB/T 45735-2025 30.5.2025
GB/T 45735-2025

1100MPa large hexagonal head MJ threads bolts for aerospace

Standard published on 30.5.2025

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Preview GB/T 45736-2025 30.5.2025
GB/T 45736-2025

Stable operation requirements for spacecraft attitude and orbit control system

Standard published on 30.5.2025

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Preview GB/T 45737-2025 30.5.2025
GB/T 45737-2025

Pre-launch space debris mitigation review requirements

Standard published on 30.5.2025

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in 4 working days
Preview GB/T 45738-2025 30.5.2025
GB/T 45738-2025

Space objects long-term evolution model

Standard published on 30.5.2025

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Preview GB/T 45739-2025 30.5.2025
GB/T 45739-2025

Dimensions of gaseous oxygen charging connector for aerospace

Standard published on 30.5.2025

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Preview GB/T 45740-2025 30.5.2025
GB/T 45740-2025

Space debris collision warning technical requirements

Standard published on 30.5.2025

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