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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
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WITHDRAWN published on 1.1.1989
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WITHDRAWN published on 1.1.1989
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WITHDRAWN published on 1.1.1989
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WITHDRAWN published on 1.1.1989
Selected format:Technical specifications for construction of hydraulic sliding formworks
WITHDRAWN published on 1.12.1987
Selected format:Hss wedge type serrated for side and face milling cutters
WITHDRAWN published on 1.1.1985
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WITHDRAWN published on 1.1.1989
Selected format:Fixed capacitors for use in electronic equipment--Sectional specification--Fixed capacitors of ceramic dielectric class 3
WITHDRAWN published on 31.3.1989
Selected format:Fixed capacitors for use in electronic equipment--Blank detail specification:Fixed capacitors of ceramic dielectric class 3--Assessment level E
WITHDRAWN published on 31.3.1989
Selected format:Detail specification for electronic components--Fixed capacitors of ceramic dielectric, type CS1--Assessment level E
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2025-12-28 (Number of items: 2 253 436)
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