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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
General provisions for programming mooring and sea trials of diesel engine propelled sea going ships
WITHDRAWN published on 1.1.1983
Selected format:General provisions for programming mooring and sea trials of sea going ships
WITHDRAWN published on 29.5.1995
Selected format:Tube steel trestle beacon
WITHDRAWN published on 1.1.1983
Selected format:PCR for Mycoplasma agalactiae
WITHDRAWN published on 1.11.2017
Selected format:Marine toggle pins
WITHDRAWN published on 1.1.1983
Selected format:Slip-hook turnbuckle for ship rigging
WITHDRAWN published on 1.1.1983
Selected format:Speed governing of marine diesel engines specifications
WITHDRAWN published on 31.1.1983
Selected format:Detection methods for haemophilus parasuis
WITHDRAWN published on 1.11.2017
Selected format:Speed governing of marine diesel engine, methods of test
WITHDRAWN published on 31.1.1983
Selected format:Determination of mineral fulvic acids content
WITHDRAWN published on 1.11.2017
Selected format:Latest update: 2025-12-22 (Number of items: 2 253 013)
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