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Standards GB - Chinese national standards - Page 6597
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 17785-1999
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Standard guide for radon control options for the design and construction of new low rise residential buildings
WITHDRAWN published on 3.9.1999
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GB 17787-1999
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Food additive—Levocarnitine
WITHDRAWN published on 12.7.1999
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GB/T 1779.1-1989
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Measuring methods for the properties of 6.30 mm broadcast audio tapes
WITHDRAWN published on 31.3.1989
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GB/T 1779.2-1989
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Minimum performance requirements of 6.30 mm broadcast audio tapes
WITHDRAWN published on 31.3.1989
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GB 17790-1999
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Installation rule for room air-conditioner
WITHDRAWN published on 22.7.1999
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GB/T 17791-1999
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Specification for seamless copper tube for air conditioning and refrigeration field service
WITHDRAWN published on 23.7.1999
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GB/T 17791-2007
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Seamless copper tube for air conditioner and refrigeration equipment
WITHDRAWN published on 25.10.2007
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GB/T 17792-1999
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Specification for molybdenum and molybdenum alloy bar
WITHDRAWN published on 23.7.1999
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GB/T 17793-1999
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Wrought copper and copper alloy plate, sheet and strip for general purposes—Dimensions and tolerances
WITHDRAWN published on 23.7.1999
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GB/T 17794-1999
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Preformed flexible elastomeric cellular thermal insulation
WITHDRAWN published on 30.7.1999
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