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Standards GB - Chinese national standards - Page 5747
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 12657-1990
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Determination of conducting path for capacitor paper
WITHDRAWN published on 28.12.1990
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GB/T 12658-1990
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Paper, board and pulp—Determination of potassium and sodium content
WITHDRAWN published on 28.12.1990
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GB/T 12659-1990
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Pulps—Laboratory beating—Jokro mill method
WITHDRAWN published on 28.12.1990
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GB/T 1266-1986
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Chemical reagents; Sodium chloride
WITHDRAWN published on 13.8.1986
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GB/T 12660-1990
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Pulps—Determination of drainability—"Canadian standard " freeness method
WITHDRAWN published on 28.12.1990
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GB/T 12661-1990
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Paper and board—Determination of microbiological properties—Total bacterial count
WITHDRAWN published on 28.12.1990
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GB 12662-1990
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Specification for disruptor
WITHDRAWN published on 28.12.1990
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GB 12663-1990
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General specifications for burglar-alarm control units
WITHDRAWN published on 1.1.1990
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GB 12663-2001
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General specifications for burglar-alarm control units
WITHDRAWN published on 16.11.2001
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GB 12664-1990
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Specification for portable X-Ray security inspect equipment
WITHDRAWN published on 1.1.1990
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