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Standards GB - Chinese national standards - Page 628
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 16404-1996
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Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 1:Measurement at discrete points
Standard published on 27.5.1996
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GB/T 16404.2-1999
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Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 2:Measurement by scanning
Standard published on 8.3.1999
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GB/T 16404.3-2006
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Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanning
Standard published on 8.5.2006
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GB/T 16405-2025
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Acoustics—Measurement of insertion loss of ducted silencers without flow—Laboratory survey method
Standard published on 30.5.2025
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GB/T 16406-1996
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Acoustics--Flexural resonancetesting method for damping properties of acoustical materials
Standard published on 27.5.1996
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GB/T 16407-2006
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AcousticsCharacteristics and measurements of field of Pressure pulse lithotripters
Standard published on 25.7.2006
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GB 16410-2020
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Domestic gas cooking appliances
Standard published on 24.12.2020
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GB/T 16411-2023
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Universal test methods of gas burning appliances for domestic use
Standard published on 6.8.2023
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GB/T 16412-2009
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Conveyor belts - Propane single burner flammability test method
Standard published on 24.4.2009
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GB/T 16412-2026
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Conveyor belts—Propane burner flammability test method
Execute Date: february 2027
Standard published on 2.7.2026
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