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Standards GB - Chinese national standards - Page 4362
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/Z 43998-2024
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Nanotechnologies—Assessment of the concentrations of carbon black and amorphous silica in nanoscale in a mixed dust manufacturing environment
Standard published on 25.4.2024
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GB/T 43999-2024
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Technical requirements for transfer equipment for emergency respiratory infectious disease patients
Standard published on 25.4.2024
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GB 440-1977
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Aviation lubricating oil No.20
Standard published on 30.11.1977
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GB/T 44000-2024
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Space environment—General requirements of ground simulation test facility for space environmental effect of materials
Standard published on 25.4.2024
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GB/T 44001-2024
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Space environment—Geomagnetic reference models
Standard published on 25.4.2024
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GB/Z 44002-2024
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Space environment—Method of the solar energetic protons fluences and peak fluxes determination
Standard published on 25.4.2024
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GB/T 44003-2024
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Mechanical property measurement—Delamination strength test for REBCO coated conductors (copper-plated)
Standard published on 25.4.2024
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GB/T 44004-2024
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Nanotechnologies—Test methods for the characterization of organic transistors and materials
Standard published on 25.4.2024
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GB/Z 44005.1-2024
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Nanotechnologies—Clay nanomaterials—Part 1: Specification of characteristics and measurement methods for layered clay nanomaterials
Standard published on 25.4.2024
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GB/T 44006-2024
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Rules for the representation of infrared image temperature—Method by RGB
Standard published on 25.4.2024
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