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Standards GB - Chinese national standards - Page 7553
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 7395-1987
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Test methods of 600~9600 bit/s baseband MODEM
WITHDRAWN published on 2.3.1987
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GB/T 7396-1987
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Methods of measurement for television transposers
WITHDRAWN published on 12.3.1987
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GB/T 7398-1987
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Helical-scan video-tape cassette system using 19mm magnetic tape, known as U-format
WITHDRAWN published on 12.3.1987
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GB/T 7399-1987
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Helical-scan video tape cassette system using 12.65mm magnetic tape on type VHS
WITHDRAWN published on 12.3.1987
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GB/T 74-1985
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Slotted set screws with cup point
WITHDRAWN published on 1.8.1985
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GB/T 740-1989
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Pulps--Sampling for testing
WITHDRAWN published on 22.2.1989
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GB/T 7400.1-1987
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Broadcasting and television terminology General terms
WITHDRAWN published on 12.3.1987
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GB/T 7400.10-1987
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Broadcasting and television terminology Television broadcasting Equipment
WITHDRAWN published on 12.3.1987
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GB/T 7400.11-1999
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Digital television terminology
WITHDRAWN published on 11.11.1999
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GB/T 7400.12-1987
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Broadcasting and television terminology Television broadcasting Test equipment and test techniques
WITHDRAWN published on 12.3.1987
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