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Standards GB - Chinese national standards - Page 5187
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 7341.3-2024
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Electroacoustics—Audiometric equipment—Part 3: Test signals of short duration
Standard published on 23.8.2024
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GB/T 7341.4-1998
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Audiometers--Part 4:Equipment for extended high-frequency audiometry
Standard published on 8.5.1998
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GB/T 7341.5-2018
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Electroacoustics—Audiometric equipment—Part 5: Instruments for the measurement of aural acoustic impedance/admittance
Standard published on 7.6.2018
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GB/T 7343-2017
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Methods of measurement of the suppression characteristics of passive EMC filtering devices
Standard published on 31.7.2017
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GB/T 7344-2015
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General specification for AC servomotors
Standard published on 11.9.2015
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GB/T 7345-2008
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General requirements for electrical machine for automatic control system
Standard published on 30.6.2008
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GB/T 7346-2015
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Basic outline constructional type for control motors and feedback components
Standard published on 15.5.2015
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GB/T 7347-1987
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The standard spectrum of Chinese speech
Standard published on 2.3.1987
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GB/T 7348-2017
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Standard spectrum of whispered Chinese speech
Standard published on 29.12.2017
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