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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
Determination of aflatoxin B1 in animal feeding stuffs - Enzyme-linked immunosorbent assay
Standard published on 21.11.2008
Selected format:Determination of choline chloride in feed additive premix
Standard published on 29.8.2025
Selected format:Drop-forged rivetless chains for conveyors
Standard published on 28.8.1998
Selected format:Hydraulic fluid power—Test code for determination of noise level—Part 1: Hydraulic pumps
Standard published on 29.9.2024
Selected format:Hydraulic fluid power--Fluid sample containers--Qualifying and controlling cleaning methods
Standard published on 2.9.1998
Selected format:Hydraulic fluid power--Pumpsmotors and integral transmissions--Parameter definitions and letter symbols
Standard published on 2.9.1998
Selected format:Hydraulic fluid power - Filters - Evaluation of differential pressure versus flow characteristics
Standard published on 25.12.2006
Selected format:
Hydraulic fluid power—Filters—Test method of differential pressure versus flow characteristics
Execute Date: february 2027
Standard published on 30.7.2026
Selected format:Hydraulic fluid power--Four-and five-port servovalves--Mounting surfaces
Standard published on 2.9.1998
Selected format:Hydraulic fluid power - Filter elements - Determination of resistance to flow fatigue using particulate contaminant
Standard published on 25.6.2008
Selected format:Latest update: 2026-09-02 (Number of items: 2 300 045)
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