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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 vertical cylindrical steel welded storage tanks
WITHDRAWN published on 30.11.2005
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V—Part 1:General requirements
WITHDRAWN published on 13.10.1997
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V—Part 2:Test methods
WITHDRAWN published on 13.10.1997
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V—Part 3:Heat resistant silicone insulated cables
WITHDRAWN published on 13.10.1997
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V—Part 4:Cords and flexible cables
WITHDRAWN published on 13.10.1997
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V—Part 5:Lift cables
WITHDRAWN published on 13.10.1997
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V Part 6:Arc welding cables
WITHDRAWN published on 13.10.1997
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V—Part 7:Heat resistant ethylene-vinyl acetate rubber insulated cables
WITHDRAWN published on 13.10.1997
Selected format:Rubber insulated cables of rated voltages up to and including 450/750 V—Part 8:Cords for applications requiring high flexibility
WITHDRAWN published on 30.4.2006
Selected format:Code for constructional quality acceptance of automation instrumentation engineering
WITHDRAWN published on 23.10.2007
Selected format:Latest update: 2025-12-28 (Number of items: 2 253 436)
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