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Standards GB - Chinese national standards - Page 7352
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 9089.1-1988
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Electrical installations for outdoor sites under heavy conditions Terms and definitions
WITHDRAWN published on 27.4.1988
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GB/T 9089.1-2008
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Electrical installations for outdoor sites under heavy conditions—Part 1:Scope and definitions
WITHDRAWN published on 18.6.2008
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GB/T 9089.2-1988
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Electrical installations for outdoor sites under heavy conditions General protection requirements
WITHDRAWN published on 27.4.1988
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GB/T 9089.2-2008
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Electrical installations for outdoor Sites under heavy conditions - Part 2: General protection requirements
WITHDRAWN published on 18.6.2008
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GB/T 9089.3-1991
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Electrical installations for outdoor sites under heavy conditions—General requirements for equipment and ancillaries
WITHDRAWN published on 27.5.1991
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GB/T 9089.3-2008
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Electrical installations for outdoor sites under heavy conditions - Part 3: General requirements for equipment and ancillaries
WITHDRAWN published on 18.6.2008
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GB/T 9089.4-1992
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Electrical installations for outdoor sites under heavy conditions Repuirements for the installation
WITHDRAWN published on 19.8.1992
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GB 9089.5-1995
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Electrical installations for outdoor sites under heavy conditions Operating requirements
WITHDRAWN published on 29.8.1995
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GB/T 9091-1988
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Inductive voltage dividers
WITHDRAWN published on 25.4.1988
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GB/T 9092-1998
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Time switch for tariff and load control
WITHDRAWN published on 21.1.1998
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