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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
Mould-proof packaging
WITHDRAWN published on 18.10.1995
Selected format:Test method for mould-proof packaging
WITHDRAWN published on 1.1.1984
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WITHDRAWN published on 1.1.1987
Selected format:Method for size analysis of coal
WITHDRAWN published on 8.12.1998
Selected format:The test methods for 3-channel open wire carrier telephone equipment
WITHDRAWN published on 1.1.1984
Selected format:The test methods for 12-channel open wire carrier telephone equipment
WITHDRAWN published on 1.1.1984
Selected format:The test methods for 60-channel symmetrical cable carrier telephone equipment
WITHDRAWN published on 1.1.1984
Selected format:Released alkali tests of glasses and glass containers for pharmaceutical preparations
WITHDRAWN published on 30.11.1984
Selected format:-
WITHDRAWN published on 1.1.1984
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WITHDRAWN published on 1.1.1984
Selected format:Latest update: 2025-09-14 (Number of items: 2 232 183)
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