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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
Code for construction and acceptance of electric device of crane electrical equipment installation engineering
WITHDRAWN published on 5.6.1996
Selected format:Code for construction and acceptance of electric device for explosion atmospheres and fire hazard electrical equipment installation engineering
WITHDRAWN published on 5.6.1996
Selected format:Code for construction and acception of 1kV and under feeder cable engineering electric equipment installation engineering
WITHDRAWN published on 16.8.1996
Selected format:Code for construction and acception of electric lighting device electric equipment installation engineering
WITHDRAWN published on 16.8.1996
Selected format:The measurement method of amplitude permeability of soft magnetic alloys
WITHDRAWN published on 28.3.1985
Selected format:Code for design of seismic of electrical installations
WITHDRAWN published on 2.9.1996
Selected format:Code for installation and commissioning of automatic fire-extinguishing sprinkler systems
WITHDRAWN published on 2.9.1996
Selected format:Code for installation and commissioning of sprinkler systems
WITHDRAWN published on 16.5.2005
Selected format:Standard for foundamental terms of rallway engineering
WITHDRAWN published on 22.4.1997
Selected format:Standard for basic terms of railway engineering
WITHDRAWN published on 1.1.2013
Selected format:Latest update: 2025-12-29 (Number of items: 2 253 390)
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