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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
Technical requirements of heavy duty tailway mator trolley
Standard published on 1.1.2012
Selected format:
Rail car—Heavy-duty rail motor car
Execute Date: april 2025
Standard published on 29.9.2024
Selected format:Basic paramaters of cylindrical worm gears
Standard published on 14.5.2018
Selected format:Symbols for cylindrical worm and wormwheel
Standard published on 14.5.2018
Selected format:Basic tooth profile of cylindrical worm
Standard published on 14.5.2018
Selected format:Module and diameter of cylindrical worm
Standard published on 14.5.2018
Selected format:Accuracy of cylindrical worm and wormwheel
Standard published on 14.5.2018
Selected format:Tabular layouts of article characteristics--Definitions and principles
Standard published on 21.6.1995
Selected format:Statistical interpretation of data - Multiple comparison for test results
Standard published on 15.10.2009
Selected format:Probabilistic limit states design(Normal-Normal mode)
Standard published on 15.10.2009
Selected format:Latest update: 2024-12-23 (Number of items: 2 217 157)
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