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Standards GB - Chinese national standards - Page 549
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
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GB/T 15611-1995
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Acoustics--Calibration of high frequency hydrophone
Standard published on 3.7.1995
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GB 15612-1995
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Food additive--Distilled glycerin monostearate
Standard published on 6.7.1995
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GB/T 15613-2023
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Hydraulic turbines,storage pumps and pump-turbines model acceptance tests
Standard published on 17.3.2023
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GB/T 15614-2015
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Test method for measuring the glossiness of ceramic pigment
Standard published on 15.5.2015
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GB/T 15616-2008
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Quantitative method for electron probe microanalysis of metals and alloys
Standard published on 20.8.2008
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GB/T 15617-2025
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Microbeam analysis—Electron probe microanalysis—Quantitative analysis of silicate minerals
Standard published on 29.8.2025
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GB 15618-2018
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Soil environment quality risk control standard for soilcontamination of agriculture land
Standard published on 13.7.2018
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GB/T 15619-2005
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Mechanical vibration and shock-Human exposure-Vocabulary
Standard published on 13.5.2005
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GB/T 15620-2025
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Solid wire electrodes,solid strip electrodes, solid wires and solid rods for fusion welding of nickel and nickel alloys
Standard published on 30.6.2025
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GB/T 15622-2023
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Hydraulic cylinder—Test method
Standard published on 27.11.2023
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