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Standards GB - Chinese national standards - Page 7651
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 4055-1983
WITHDRAWN
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Mechanical timer for electric fans
WITHDRAWN published on 1.1.1983
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GB/T 40559-2021
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Lithium ion cells and batteries used in self-balancing vehicle—Safety requirements
WITHDRAWN published on 11.10.2021
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GB 4056-1983
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Coupling dimensions of suspension insulators for high voltage lines
WITHDRAWN published on 1.1.1983
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GB/T 4056-1994
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Coupling dimensions of suspension insulators for high voltage lines
WITHDRAWN published on 12.4.1994
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GB/T 4056-2008
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Ball and socket coupling dimensions of string insulator units
WITHDRAWN published on 18.6.2008
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GB/T 40565.2-2021
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Connections for hydraulic fluid power—Quick-action couplings—Part 2: Flush-face type at 20 MPa to 31.5 MPa
WITHDRAWN published on 11.10.2021
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GB 4057-1983
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WITHDRAWN published on 1.1.1983
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GB 4058-1983
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WITHDRAWN published on 1.1.1983
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GB/T 4058-1995
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Test method for detection of oxidation induced defects in polished silicon wafers
WITHDRAWN published on 18.4.1995
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GB/T 4059-1983
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Polycrystalline silicon—Examination method—Zone-melting on phosphorus under controlled atmosphere
WITHDRAWN published on 20.12.1983
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