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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
Silicone sealant for building
WITHDRAWN published on 22.5.2003
Selected format:Sand for building
WITHDRAWN published on 13.7.2001
Selected format:Sand for construction
WITHDRAWN published on 16.6.2011
Selected format:Pebble and crushed stone for building
WITHDRAWN published on 13.7.2001
Selected format:Pebble and crushed stone for construction
WITHDRAWN published on 16.6.2011
Selected format:Fibreglass reinforced petroleum bitumen membrane
WITHDRAWN published on 18.9.1993
Selected format:Industrial wheels
WITHDRAWN published on 8.11.1993
Selected format:Industrial castors
WITHDRAWN published on 8.11.1993
Selected format:Technical drawings—Size and layout of drawing sheets
WITHDRAWN published on 9.11.1993
Selected format:-
WITHDRAWN published on 1.1.1978
Selected format:Latest update: 2026-05-15 (Number of items: 2 278 685)
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