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Standards GB - Chinese national standards - Page 5837
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 13170.5-1991
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Test charts of reflection for television Middle-frequency test chart
WITHDRAWN published on 4.9.1991
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GB/T 13170.6-1991
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Test charts of reflection for television Residual-image test chart
WITHDRAWN published on 4.9.1991
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GB/T 13170.7-1991
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Test charts of reflection for television Checkerboard test chart
WITHDRAWN published on 4.9.1991
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GB/T 13170.8-1991
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Test charts of reflection for television Amplitude response test chart
WITHDRAWN published on 4.9.1991
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GB/T 13170.9-1991
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Test charts of reflection for television Registration test chart A
WITHDRAWN published on 4.9.1991
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GB 13171-1991
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WITHDRAWN published on 1.1.1991
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GB/T 13171-1997
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Laundry powders
WITHDRAWN published on 28.5.1997
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GB/T 13171-2004
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Laundry powders
WITHDRAWN published on 5.3.2004
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GB/T 13171.1-2009
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Laundry powders(phosphorous)
WITHDRAWN published on 15.12.2009
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GB/T 13171.1-2009E
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Laundry powders(phosphorous)
WITHDRAWN published on 15.12.2009
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