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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
Rubber, vulcanized or thermoplastic—Resistance to weathering
WITHDRAWN published on 1.4.2008
Selected format:Rubber, vulcanized--Accelerated ageing or heat-resistance test--Air-oven method
WITHDRAWN published on 1.1.1983
Selected format:Rubber, vulcanized or thermoplastic—Accelerated ageing and heat resistance tests—Air-oven method
WITHDRAWN published on 28.8.2001
Selected format:Rubber, vulcanized--Determination of adhesion to single wire--Pull out test
WITHDRAWN published on 1.1.1983
Selected format:Rubber, vulcanized—Determination of adhesion to single wire—Pull out test
WITHDRAWN published on 28.8.2001
Selected format:Automation systems and integration—Evaluating energy efficiency and other factors of manufacturing systems that influence the environment—Part 1:Overview and general principles
WITHDRAWN published on 29.12.2017
Selected format:General technical requirement for control equipments of smart home
WITHDRAWN published on 29.12.2017
Selected format:The high-frequency reciprocating rig for diesel fuel assessment of lubricity
WITHDRAWN published on 29.12.2017
Selected format:Rubber, vulcanized—Determination of free sulphur content—Sodium sulphite method
WITHDRAWN published on 12.12.1992
Selected format:Rubber, vulcanized—determination of carbon black content—pyrolytic method
WITHDRAWN published on 3.3.1983
Selected format:Latest update: 2025-12-21 (Number of items: 2 252 887)
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