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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
Corrugated sheets of glass fiber reinforced plastics
WITHDRAWN published on 18.5.2005
Selected format:Test method for water absorption of sandwich constructions or cores
WITHDRAWN published on 17.2.1993
Selected format:Test method for water absorption of sandwich constructions or cores
WITHDRAWN published on 30.6.2008
Selected format:Textile glass—Rovings—Determination of flexural strength of rod composites
WITHDRAWN published on 17.2.1993
Selected format:Textile glass—Rovings—Determination of compressive strength of rod composites
WITHDRAWN published on 17.2.1993
Selected format:Rhodium powder
WITHDRAWN published on 27.2.1989
Selected format:Rhodium powder
WITHDRAWN published on 5.2.2004
Selected format:Code for test of machanical seal
WITHDRAWN published on 1.3.1993
Selected format:Test method of mechanical seal
WITHDRAWN published on 23.12.2010
Selected format:Motorcycle chains
WITHDRAWN published on 1.3.1993
Selected format:Latest update: 2026-07-29 (Number of items: 2 290 440)
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