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Standards GB - Chinese national standards - Page 7965
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 50431-2008
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Code for design of belt conveyor engineering
WITHDRAWN published on 1.1.2008
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GB 50433-2008
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Technical code on soil and water conservation of development and construction projects
WITHDRAWN published on 14.1.2008
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GB 50434-2008
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Control standards for soil and water loss on development and construction projects
WITHDRAWN published on 14.1.2008
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GB 50435-2007
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Code for design of flat glass plant
WITHDRAWN published on 25.10.2007
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GB 50436-2007
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Code for design of technology of wire rod mill
WITHDRAWN published on 23.10.2007
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GB/T 50438-2007
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Standard for the operation safety assessment of existing metro
WITHDRAWN published on 25.10.2007
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GB 50439-2008
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Code for design of steelmaking technology
WITHDRAWN published on 14.1.2008
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GB 5044-1985
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Classification of health hazard levels from occupational exposure to toxic substances
WITHDRAWN published on 2.4.1985
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GB/T 50441-2007
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Standard for calculation of energy consumption in petrochemical engineering design
WITHDRAWN published on 23.10.2007
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GB 50443-2007
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Code for design of energy conservation of cement plant
WITHDRAWN published on 25.10.2007
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