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Standards GB - Chinese national standards - Page 8919
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 7287.4-1987
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Measuring method for temperature rise time and fall time of infrared heater
WITHDRAWN published on 21.2.1987
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GB/T 7287.5-1987
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Testing method for bearing cold and hot alternation change of infrared heater
WITHDRAWN published on 21.2.1987
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GB/T 7287.6-1987
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Measuring method for insulation resistance of infrared heater
WITHDRAWN published on 21.2.1987
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GB/T 7287.7-1987
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Measuring method for electric-to-radiant power transfer efficiency of infrared heater
WITHDRAWN published on 21.2.1987
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GB/T 7287.8-1987
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Measuring method for power deviation rate of infrared heater
WITHDRAWN published on 21.2.1987
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GB/T 7287.9-1987
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Measuring method for normal total emittance of infrared heater
WITHDRAWN published on 21.2.1987
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GB/T 7288.1-1987
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Equipment reliability testing—Preferred test conditions indoor portable equipment—Low degree of simulation
WITHDRAWN published on 23.2.1987
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GB/T 7288.2-1987
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Equipment reliability testing Preferred test conditions Equipment for stationary use in weather protected locations—High degree of simulation
WITHDRAWN published on 23.2.1987
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GB/T 7289-1987
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Presentation of reliability, maintainability and availability predictions
WITHDRAWN published on 20.2.1987
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GB 7290-1987
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Methods for measuring multiplexed addressing twisted nematic liquid crystal display devices
WITHDRAWN published on 1.1.1987
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