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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
Insulators for overhead lines with a nominal voltage above 1 000 V—Ceramic or glass insulator units for d.c. systems—Definitions, test methods and acceptance criteria
WITHDRAWN published on 4.2.2004
Selected format:The copper and copper-alloy seamless tubes with integral fins for heat exchanger
WITHDRAWN published on 5.2.2004
Selected format:Fastening parts of light cargo hoisting rod
WITHDRAWN published on 1.1.1980
Selected format:Designing procedure of transport packages
WITHDRAWN published on 4.3.2004
Selected format:Safety code inspection of packaging of dangerous goods for calcium carbide—Performance tests
WITHDRAWN published on 4.3.2004
Selected format:Safety code for inspection of packaging of dangerous goods for calcium carbide—Use appraisal
WITHDRAWN published on 4.3.2004
Selected format:Safety code for inspection of portable tanks for dangerous goods—General specifications
WITHDRAWN published on 4.3.2004
Selected format:Safety code for inspection of portable tanks for dangerous goods—Performance inspection
WITHDRAWN published on 4.3.2004
Selected format:Safety code for inspection of portable tanks for dangerous goods—Use appraisal
WITHDRAWN published on 4.3.2004
Selected format:Safety code for inspection of packaging of dangerous goods for paint—Performance tests
WITHDRAWN published on 4.3.2004
Selected format:Latest update: 2025-12-21 (Number of items: 2 252 887)
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