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Standards GB - Chinese national standards - Page 7811
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 3942-1983
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Designation of float
WITHDRAWN published on 29.11.1983
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GB/T 3943-1983
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Perforated plate with round and elongated apertures
WITHDRAWN published on 24.11.1983
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GB/T 3944-1983
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Spherical plain bearing,joint type--Vocabulary
WITHDRAWN published on 25.11.1983
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GB 3947-1983
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Acoustical terminology
WITHDRAWN published on 1.1.1983
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GB/T 3948-1983
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Test method of three primary colors chromaticity coordinates for TV
WITHDRAWN published on 28.11.1983
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GB 3949-1983
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Laboratory d. c. resistors
WITHDRAWN published on 1.1.1983
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GB/T 3951-1983
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The rule of type designation of liquid crystal display devices
WITHDRAWN published on 1.12.1983
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GB/T 3952-1998
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Copper drawing stock for electrical purposes
WITHDRAWN published on 15.7.1998
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GB/T 3952-2008
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Copper drawing stock for electrical purpose
WITHDRAWN published on 31.3.2008
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GB 3952.1-1989
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Round copper rods for electrical purposes--General
WITHDRAWN published on 1.1.1989
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