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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
Double disc surface grinding machines--Parameters
WITHDRAWN published on 10.1.1987
Selected format:-
WITHDRAWN published on 1.1.1987
Selected format:The operating standard for railway shunting Railway shunting basic regulations for the operating standard
WITHDRAWN published on 15.3.1996
Selected format:The operating for railway shunting—Part 1:Basic regulations
WITHDRAWN published on 22.8.2006
Selected format:The operating for railway shunting—Part 10:Operating for the auto-hump
WITHDRAWN published on 22.8.2006
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WITHDRAWN published on 1.1.1987
Selected format:The operating standard for railway shunting Railway shunting the standard for preparing operation
WITHDRAWN published on 15.3.1996
Selected format:The operating for railway shunting—Part 2:Preparing operation
WITHDRAWN published on 22.8.2006
Selected format:-
WITHDRAWN published on 1.1.1987
Selected format:The operating standard for railway shunting Railway shunting the operating standard for the mechanized hump
WITHDRAWN published on 15.3.1996
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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