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Standards GB - Chinese national standards - Page 155
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 12083-2012
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Power supply series for gas laser
Standard published on 5.11.2012
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GB/T 12085.1-2022
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Optics and photonics—Environmental test methods—Part1: Definitions, extent of testing
Standard published on 12.10.2022
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GB/T 12085.11-2022
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Optics and photonics—Environmental test methods—Part 11:Mould growth
Standard published on 12.10.2022
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GB/T 12085.12-2022
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Optics and photonics—Environmental test methods—Part 12: Contamination
Standard published on 12.10.2022
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GB/T 12085.14-2022
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Optical and photonics—Environmental test methods—Part 14:Dewhoarfrostice
Standard published on 12.10.2022
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GB/T 12085.17-2022
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Optics and photonics—Environmental test methods—Part 17: Combined contamination, solar radiation
Standard published on 12.10.2022
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GB/T 12085.2-2022
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Optics and photonics— Environmental test methods—Part 2: Cold, heat and humidity
Standard published on 12.10.2022
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GB/T 12085.20-2022
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Optics and photonics—Environmental test methods—Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide
Standard published on 12.10.2022
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GB/T 12085.22-2022
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Optics and photonics—Environmental test methods—Part 22Combined cold,dry heat or temperature change with bump or random vibration
Standard published on 12.10.2022
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GB/T 12085.23-2022
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Optics and photonics—Environmental test methods—Part 23Low pressure combined with cold,ambient temperature and dry or damp heat
Standard published on 12.10.2022
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