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Standards GB - Chinese national standards - Page 5083
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 5135.5-2018
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Automatic sprinkler systems—Part 5:Deluge alarm valves
Standard published on 7.6.2018
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GB 5135.5-2018E
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Automatic sprinkler system—Part 5:Deluge alarm valves
Standard published on 7.6.2018
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GB 5135.6-2018
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Automatic sprinkler system—Part 6:Conventional valves
Standard published on 6.2.2018
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GB 5135.7-2018
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Automatic sprinkler systems—Part 7:Water flow indicators
Standard published on 7.6.2018
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GB 5135.8-2003
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Automatic sprinkler system--Part 8: Accelerator
Standard published on 8.10.2003
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GB 5135.9-2018
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Automatic sprinkler system—Part 9:Early suppression fast response(ESFR) sprinklers
Standard published on 17.9.2018
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GB 5135.9-2018E
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Automatic sprinkler system—Part 9:Early suppression fast response(ESFR)sprinklers
Standard published on 17.9.2018
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GB/T 51350-2019
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Technical standard for nearly zero energy buildings
Standard published on 24.1.2019
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GB/T 51351-2019
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Standard for quality acceptance of building slope engineering construction
Standard published on 24.1.2019
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GB 51352-2019
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Engineering technical standard for fiber reinforced plastics chimney
Standard published on 22.11.2019
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