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Standards GB - Chinese national standards - Page 7791
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 4684-1994
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External cylindrical grinding machines—Parameters
WITHDRAWN published on 20.12.1994
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GB 4685-1984
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External cylindrical grinding machines--Testing of the accuracy
WITHDRAWN published on 1.1.1984
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GB/T 4685-1994
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External cylindrical grinding machines—Accuracy
WITHDRAWN published on 20.12.1994
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GB/T 4686-1984
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Gear shaping machines—Testing of the accuracy
WITHDRAWN published on 28.9.1984
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GB/T 4687-1984
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Paper, board, pulp terms ()
WITHDRAWN published on 29.9.1984
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GB/T 4688-1984
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Determination of fiber constituent for paper and board
WITHDRAWN published on 29.9.1984
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GB/T 4688-2002
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Paper, board and pulps—Analysis of fiber furnish
WITHDRAWN published on 15.10.2002
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GB 4689.1-1984
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Leather--Laboratory sample--Location and identification
WITHDRAWN published on 1.1.1984
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GB 4689.10-1984
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Leather--Determination of apparent density
WITHDRAWN published on 1.1.1984
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GB 4689.11-1984
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Leather--Preparation of chemical test samples
WITHDRAWN published on 1.1.1984
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