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Standards GB - Chinese national standards - Page 8594
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 7497.3-1987
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Microprocessor system bus --8-bit and 16-bit data--Part 3:Mechanical and pin descriptions for the eurocard configuration with pin and socket (indirect) connecters
WITHDRAWN published on 24.3.1987
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GB 7498-1987
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Detail specification for electronic components--Semiconductor integrated circuit- CF741 operational amplifier
WITHDRAWN published on 1.1.1987
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GB 7499-1987
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Detail specification for electronic components--Semiconductor integrated circuit- CW723 Multiterminal adjustable voltage regulator
WITHDRAWN published on 1.1.1987
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GBJ 75-1984
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acoustics-measurement of sound insulation in buildings-specifications
WITHDRAWN published on 1.1.1984
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GB/T 75-1985
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Slotted set screws with dog point
WITHDRAWN published on 1.8.1985
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GB/T 750-1992
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Autoclave method for soundness of portland cement
WITHDRAWN published on 28.9.1992
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GB 7500-1987
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General principles of measuring methods of audio preamplifiers for semiconductor audio integrated circuits
WITHDRAWN published on 1.1.1987
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GB 7501-1987
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General principles of measuring methods of stereo decoders for semiconductor audio integrated circuits
WITHDRAWN published on 1.1.1987
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GB 7502-1987
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General principles of measuring methods of level display drivers for semiconductor audio integrated circuits
WITHDRAWN published on 1.1.1987
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GB 7503-1987
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General principles of measuring methods of linear amplifiers for semiconductor integrated circuits
WITHDRAWN published on 1.1.1987
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