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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
Rail welding—Part 1: General requirements and test methods
Execute Date: december 2026
Standard published on 25.5.2026
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Test method for distributed friction force measurement of air layer drag reduction
Execute Date: december 2026
Standard published on 25.5.2026
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Performance and test requirements for application specific messageASM shipborne equipment
Execute Date: december 2026
Standard published on 25.5.2026
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Test method for the pressure fluctuation measurement induced by rotor revolution of propulsor with duct
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Released alkali tests of glasses and glass containers for pharmaceutical preparations
Standard published on 31.12.2015
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Ships and marine technology—Design and test requirements for steel doors using electrical trace heating
Execute Date: september 2026
Standard published on 25.5.2026
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Test method for abrasion resistance of brush products
Execute Date: december 2026
Standard published on 25.5.2026
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Leather and Fur—Chemical tests—Determination of quinoline compouds
Execute Date: december 2026
Standard published on 25.5.2026
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Flexible organic light emitting diode (OLED) panels for general lighting—Performance specifications
Execute Date: december 2026
Standard published on 25.5.2026
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Excimer ultraviolet radiation sources—Safety specifications
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Latest update: 2026-07-14 (Number of items: 2 286 733)
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