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Standards GB - Chinese national standards - Page 7523
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 31744-2015
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Test on the elementary properties of bamboo charcoal for water-purification
WITHDRAWN published on 3.7.2015
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GB/T 3175.1-1987
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Reflection colour bar test card
WITHDRAWN published on 12.3.1987
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GB/T 3175.2-1987
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Reflection flesh tone test card
WITHDRAWN published on 12.3.1987
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GB/T 3175.3-1987
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Transparency colour bar test card
WITHDRAWN published on 12.3.1987
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GB/T 3175.4-1987
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Transparency flesh tone test card
WITHDRAWN published on 12.3.1987
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GB/T 31759-2015
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Nature reserve terminology
WITHDRAWN published on 3.7.2015
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GB 3176-1982
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The recording and exchange of television programmes on 25.4mm video tape
WITHDRAWN published on 25.8.1982
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GB 3177-1982
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WITHDRAWN published on 1.1.1982
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GB/T 3177-1997
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Inspection of plain workpiece sizes
WITHDRAWN published on 4.3.1997
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GB/T 31771-2015
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Housekeeping service—Specification for service quality of maternal and child life
WITHDRAWN published on 3.7.2015
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