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Standards GB - Chinese national standards - Page 7974
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 50559-2010
WITHDRAWN
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Code for design of environmental protection of glass plant
WITHDRAWN published on 31.5.2010
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GB 5056-1985
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Steel--Determination of critical point--Dilatometric method
WITHDRAWN published on 1.1.1985
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GB/T 50561-2010
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Code for equipment installing and acceptance of building material industry
WITHDRAWN published on 31.5.2010
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GB/T 50562-2010
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Code for basic terms of coal mine construction engineering
WITHDRAWN published on 31.5.2010
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GB 50567-2010
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Technical code for shell structure of ironmaking furnace
WITHDRAWN published on 31.5.2010
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GB 50568-2010
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Code for and gas field and pipeline investigation of geotechnical engineering
WITHDRAWN published on 31.5.2010
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GB 5057-1985
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Steel--Determination of continuous cooling transformation diagram--Dilatometric method
WITHDRAWN published on 1.1.1985
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GB 50578-2010
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Code for constructional quality acceptance of urban rail transit signal engineering
WITHDRAWN published on 31.5.2010
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GB/T 5058-1985
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Steel--Determination of isothermal transformation diagram--Magnetic method
WITHDRAWN published on 15.4.1985
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GB 50581-2010
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Standard for allocated mine monitoring and controlling sustem of coal industry
WITHDRAWN published on 31.5.2010
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