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Standards GB - Chinese national standards - Page 4835
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 50650-2011
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Code for design protection of petrochemical plant against lightning
Standard published on 1.1.2011
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GB/T 50651-2011
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Preparation standard for general planning on mining area of coal industry
Standard published on 1.1.2011
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GB 50652-2011
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Code for risk management of underground works in urban rail transit
Standard published on 18.2.2011
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GB 50653-2011
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Code for construction of non-ferrous metals mine sinking and drifting engineering
Standard published on 18.2.2011
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GB 50654-2011
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Unified standards for constructional quality acceptance of non-ferrous metals industrial installation engineering
Standard published on 18.2.2011
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GB/T 50655-2011
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Code for design of steam system in chemical plant
Standard published on 18.2.2011
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GB 50656-2011
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Code for construction company safety manage criterion
Standard published on 26.7.2011
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GB/T 50657-2011
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Standard of drawing-making for surface mining coal
Standard published on 1.1.2011
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GB/T 50658-2011
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Standard for preparing design document of construction project of electromechanical equipment repair plant in mining area of coal industry
Standard published on 1.1.2011
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GB/T 50659-2011
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Engineering design document standard for coal water mixture project in coal industry
Standard published on 1.1.2011
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