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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 acceptance of construction quality of roof
WITHDRAWN published on 1.4.2002
Selected format:Code for Acceptance of Construction Quality of Underground Waterproof
WITHDRAWN published on 15.3.2002
Selected format:Code for construction and acceptance of building ground engineering
WITHDRAWN published on 1.1.1995
Selected format:Code for acceptance of construction quality of building ground
WITHDRAWN published on 1.4.2002
Selected format:Rigid mica material for commutator separators
WITHDRAWN published on 27.3.1985
Selected format:Commutator separators and materials
WITHDRAWN published on 20.5.2002
Selected format:Code for construction quality acceptance of building decoration
WITHDRAWN published on 1.11.2001
Selected format:Code for construction and acceptance of industrial furnaces building
WITHDRAWN published on 18.6.2004
Selected format:Specification for construction and acceptance of anticorrosive engineering of buildings
WITHDRAWN published on 26.11.2002
Selected format:Specification for construction and acceptance of anticorrosive engineering of buildings
WITHDRAWN published on 26.11.2002
Selected format:Latest update: 2025-12-28 (Number of items: 2 253 436)
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