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Standards GB - Chinese national standards - Page 6063
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 14079-1993
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Guideline on software maintenance
WITHDRAWN published on 7.1.1993
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GB 1408-1989
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WITHDRAWN published on 1.1.1989
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GB/T 1408.1-1999
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Methods of test for electric strength of solid insulating materials-Tests at power frequencies
WITHDRAWN published on 13.9.1999
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GB/T 1408.1-2006
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Electrical strength of insulating materials—Test methods—Part 1:Tests at power frequencies
WITHDRAWN published on 9.11.2006
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GB/T 1408.2-2006
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Electrical strength of insulating materials—Test methods—Part 2:Additional requirements for tests using direct voltage
WITHDRAWN published on 9.11.2006
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GB/T 1408.3-2007
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Electric strength of insulating materials—Test methods—Part 3:Additional requirements for 1.2/50 s impulse tests
WITHDRAWN published on 3.12.2007
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GB/T 14080-1993
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Generic specification of mini-magnetic head for Winchester disk drive
WITHDRAWN published on 7.1.1993
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GB/T 14081-1993
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General specification for English character keyboard for information processing
WITHDRAWN published on 7.1.1993
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GB/T 14082-1993
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Generic specification of 9-track digital magnetic head for digital magnetic tape unit
WITHDRAWN published on 7.1.1993
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GB/T 14083-1993
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Generic specification for the Chinese ideograph keyboard
WITHDRAWN published on 7.1.1993
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