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Standards GB - Chinese national standards - Page 8267
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 5441.10-1985
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Test methods for communication cable—Measurement of actual length of coaxial pair—Sine wave method
WITHDRAWN published on 29.9.1985
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GB/T 5441.2-1985
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Test methods for communication cable Capacitance test Bridge method
WITHDRAWN published on 29.9.1985
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GB/T 5441.3-1985
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Test methods for communication cable Capacitance unbalance test
WITHDRAWN published on 29.9.1985
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GB/T 5441.4-1985
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Test methods for communication cable—Impedance and impedance irregularities test of coaxial pair—Pulse method
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GB/T 5441.5-1985
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Test methods for communication cable—Characteristic impedance test of coaxial pair Resonance method
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GB/T 5441.6-1985
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Test methods for communication cable—Crosstalk attenuation test—Comparison method
WITHDRAWN published on 29.9.1985
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GB/T 5441.7-1985
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Test methods for communication cable—Attenuation coefficient test—Open and short circuit method
WITHDRAWN published on 29.9.1985
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GB/T 5441.8-1985
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Test methods for communication cable—Test for frequency characteristic of attenuation coefficient of coaxial pair Comparison method
WITHDRAWN published on 29.9.1985
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GB/T 5441.9-1985
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Test methods for communication cable—Test for ideal screening factor measured at power frequency
WITHDRAWN published on 29.9.1985
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GB/T 5442-1985
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The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network
WITHDRAWN published on 30.10.1985
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