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Standards GB - Chinese national standards - Page 4893
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 51173-2016
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Code for design of dewatering and draining in open pit mine of coal industry
Standard published on 15.4.2016
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GB 51174-2017
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Technical code for urban stormwater detention and retention engineering
Standard published on 21.1.2017
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GB/T 51175-2016
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Technical code for refining fired heater
Standard published on 18.8.2016
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GB 51176-2016
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Code for design of dry-mixed mortar production line
Standard published on 18.8.2016
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GB 51177-2016
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Design Code for Shiplift
Standard published on 18.8.2016
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GB/T 51178-2016
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Technical code for engineering surveying of building materials mine
Standard published on 18.8.2016
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GB 51179-2016
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Code for design of underground coal haulage system of coal mine
Standard published on 18.8.2016
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GB/T 5118-2012
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Covered electrodes for manual metal arc welding of creep-resisting steels
Standard published on 5.11.2012
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GB 51180-2016
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Technical code for ground treatment of buildings in coal mine goaf
Standard published on 18.8.2016
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GB 51181-2016
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Design code for energy efficiency of coal cleaning engineering
Standard published on 1.1.2016
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