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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
Red flare parachute signal for ships
WITHDRAWN published on 22.5.1991
Selected format:Red star rocket signal for ships
WITHDRAWN published on 22.5.1991
Selected format:Marine white hand flare
WITHDRAWN published on 22.5.1991
Selected format:White flare parachute signal for ships
WITHDRAWN published on 22.5.1991
Selected format:Explosive shell signal for ships
WITHDRAWN published on 22.5.1991
Selected format:Explosive rocket signal for ships
WITHDRAWN published on 22.5.1991
Selected format:Orange smoke signal for ships
WITHDRAWN published on 22.5.1991
Selected format:Marine red hand flare
WITHDRAWN published on 22.5.1991
Selected format:Specification for low temperature warehousing operations
WITHDRAWN published on 22.12.2014
Selected format:Auditing rules for exhibition statistics
WITHDRAWN published on 22.12.2014
Selected format:Latest update: 2026-03-12 (Number of items: 2 266 211)
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