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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
Tungsten sheet
WITHDRAWN published on 10.10.1983
Selected format:Tungsten sheet
WITHDRAWN published on 26.9.2006
Selected format:Molybdenum and molybdenum alloy sheet
WITHDRAWN published on 10.10.1983
Selected format:Molybdenum and molybdenum alloy plate and sheet
WITHDRAWN published on 23.11.2007
Selected format:Molybdenum foil
WITHDRAWN published on 10.10.1983
Selected format:-
WITHDRAWN published on 1.1.1983
Selected format:The material blanks of steel bonded carbide
WITHDRAWN published on 10.10.1983
Selected format:Aluminum and aluminum alloy sheet
WITHDRAWN published on 1.1.1983
Selected format:Aluminium and aluminium alloy rolled sheet
WITHDRAWN published on 22.12.1997
Selected format:Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery
WITHDRAWN published on 26.9.2006
Selected format:Latest update: 2025-12-05 (Number of items: 2 248 732)
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