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GB - Chinese national standards - Page 8147

Standards GB - Chinese national standards - Page 8147

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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Preview GB 50416-2007 21.5.2007

GB 50416-2007 WITHDRAWN

Code for design of chambers around pit-bottom of coal mine

WITHDRAWN published on 21.5.2007

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Preview GB 50417-2007 21.5.2007

GB 50417-2007 WITHDRAWN

Code for design of electric power supply of under the coal mine

WITHDRAWN published on 21.5.2007

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Preview GB 50418-2007 21.5.2007

GB 50418-2007 WITHDRAWN

Code for design of prevention and elimination of thermal disaster in coal mines

WITHDRAWN published on 21.5.2007

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Preview GB 50419-2007 1.1.2007

GB 50419-2007 WITHDRAWN

Code for design of roadway section and junction of coal mine

WITHDRAWN published on 1.1.2007

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Preview GB 50421-2007 22.6.2007

GB 50421-2007 WITHDRAWN

Code for waste dump design of nonferrous metal mines

WITHDRAWN published on 22.6.2007

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Preview GB 50422-2007 26.3.2007

GB 50422-2007 WITHDRAWN

Technical code for engineerings of prestressed concrete pavement

WITHDRAWN published on 26.3.2007

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Preview GB 50423-2007 23.10.2007

GB 50423-2007 WITHDRAWN

Code for design of oil and gas transportation pipeline crossing engineering

WITHDRAWN published on 23.10.2007

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Preview GB 50424-2007 23.10.2007

GB 50424-2007 WITHDRAWN

Code for construction of oil and gas transmission pipeline crossing engineering

WITHDRAWN published on 23.10.2007

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Preview GB 50425-2008 15.10.2008

GB 50425-2008 WITHDRAWN

Code for design of environmental protection of textile industry enterprise

WITHDRAWN published on 15.10.2008

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Preview GB 50426-2007 22.6.2007

GB 50426-2007 WITHDRAWN

Code of design on fire protection and prevention for iron & steel metallurgy enterprises

WITHDRAWN published on 22.6.2007

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Latest update: 2026-06-14 (Number of items: 2 282 206)
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