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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
Marine roller--Type cable stopper
WITHDRAWN published on 1.1.1984
Selected format:Ships steel inclined ladders
WITHDRAWN published on 1.1.1984
Selected format:Survival craft winch
WITHDRAWN published on 1.1.1984
Selected format:Winches for lifeboats
WITHDRAWN published on 19.7.1994
Selected format:Mooring winches
WITHDRAWN published on 1.1.1984
Selected format:Sea-going vessels—Windlasses and anchor capstans
WITHDRAWN published on 30.3.1992
Selected format:Gooseneck ventilations for ships
WITHDRAWN published on 1.1.1984
Selected format:-
WITHDRAWN published on 1.1.1977
Selected format:Marine blank steel flanges
WITHDRAWN published on 1.1.1984
Selected format:Marine blank steel flanges
WITHDRAWN published on 20.11.1995
Selected format:Latest update: 2025-09-17 (Number of items: 2 234 360)
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