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Standards GB - Chinese national standards - Page 7223
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 24825-2009
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DC or AC supplied electronic control gear for LED modules—Performance requirements
WITHDRAWN published on 15.12.2009
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GB/T 24826-2009
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Terms and definitions of LEDs and LED modules for general lighting
WITHDRAWN published on 15.12.2009
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GB/T 24827-2009
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Performance requirements of luminaires for road and street lighting
WITHDRAWN published on 15.12.2009
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GB/T 24828-2009
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Methods for quarantine and identification of Pratylenchus penetrans
WITHDRAWN published on 15.12.2009
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GB/T 2483-1983
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Marking and packing
WITHDRAWN published on 31.1.1983
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GB/T 24834-2009
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Technical specification for fittings of 1 000 kV AC overhead transmission line
WITHDRAWN published on 30.11.2009
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GB/Z 24835-2009
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Regulation of operation and maintenance for 1 000 kV gas-insulated metal-enclosed switchgear
WITHDRAWN published on 30.11.2009
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GB/Z 24836-2009
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Specification for 1100 kV gas-insulated metal-enclosed switchgear
WITHDRAWN published on 30.11.2009
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GB/Z 24837-2009
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Specification for 1100 kV alternating-current disconnectors and earthing switches
WITHDRAWN published on 30.11.2009
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GB/Z 24838-2009
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Specification for 1100 kV alternating-current high-voltage circuit-breakers
WITHDRAWN published on 30.11.2009
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