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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
The specification of the vibrating mill for laboratory
WITHDRAWN published on 1.1.1988
Selected format:The specification of the jaw crushers for laboratory
WITHDRAWN published on 1.1.1988
Selected format:The types and parameters of the jaw crushers for laboratory
WITHDRAWN published on 1.1.1988
Selected format:The specifications of the jaw plates of the jaw crushers for laboratory
WITHDRAWN published on 1.1.1988
Selected format:The specifications of the standard sieves vibrating screen for laboratory
WITHDRAWN published on 1.1.1988
Selected format:-
WITHDRAWN published on 1.1.1977
Selected format:Shipbuilding—Clear openings through frames for external single-Leaf doors
WITHDRAWN published on 20.9.1988
Selected format:Measurement method of airborne noise emitted by marine diesel engine
WITHDRAWN published on 20.9.1988
Selected format:Measure method of airborne noise emitted by marine diesel engine
WITHDRAWN published on 9.3.2009
Selected format:Performance parameters of windlasses and anchor capstans
WITHDRAWN published on 1.1.1988
Selected format:Latest update: 2025-11-18 (Number of items: 2 245 606)
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