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Standards GB - Chinese national standards - Page 7759
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 4315.1-1984
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Optical transfer function—Terminology, symbol
WITHDRAWN published on 12.4.1984
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GB/T 4315.2-1988
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Optical transfer function—Directives of measurement
WITHDRAWN published on 22.12.1988
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GB 4316-1989
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Solid coumarone-indene resin
WITHDRAWN published on 1.1.1989
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GB 4317-1984
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Method for the determination of apparent colour of solid coumarone-indene resin
WITHDRAWN published on 1.1.1984
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GB 4318-1984
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Method for the determination of acidity or alkalinity of solid coumarone-indene resin
WITHDRAWN published on 1.1.1984
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GB 4319-1984
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1, 8-Naphthalic anhydride
WITHDRAWN published on 1.1.1984
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GB/T 432-1978
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Rules of inspection and acceptance for printed and dyed fabrics
WITHDRAWN published on 20.6.1978
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GB 4320-1984
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Method for the determination of 1, 8-naphthalic anhydride content
WITHDRAWN published on 1.1.1984
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GB 4321-1984
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Method for the determination of the melting point of 1, 8-naphthalic anhydride
WITHDRAWN published on 1.1.1984
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GB 4322-1984
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Refined pyridine--Determination of pyridine content--Gas chromatographic method
WITHDRAWN published on 1.1.1984
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