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Standards GB - Chinese national standards - Page 327
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 13842-2017
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Neodymium-doped Yttrium Aluminum Garnet laser rods
Standard published on 31.5.2017
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GB/T 13849-2025
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Communication cables with polyolefin insulation and moisture barrier polyolefin sheath up to 1MHz
Standard published on 5.10.2025
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GB/T 13850-2025
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Electrical measuring transducers for converting AC and DC electrical quantities to analogue or digital signals
Standard published on 5.10.2025
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GB 13851-2022
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Traffic safety signs on inland waterways
Standard published on 29.12.2022
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GB/T 13852-2009
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General specification of hydraulic control valves for ship
Standard published on 9.3.2009
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GB/T 13853-2009
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General specification for hydraulic pumps and motors of ship
Standard published on 9.3.2009
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GB/T 13854-2025
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Jet-pipe electro-hydraulic servo valve
Standard published on 29.8.2025
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GB/T 13860-1992
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Mechanical vibrations--Land vehicles--Method for reporting measured data
Standard published on 10.12.1992
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GB/T 13861-2022
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Classification and code for the hazardous and harmful factors in process
Standard published on 9.3.2022
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GB/T 13863-2011
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Test methods for laser radiation power and its instability
Standard published on 30.12.2011
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