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GB - Chinese national standards - Page 7657

Standards GB - Chinese national standards - Page 7657

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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Preview GB/T 4728.13-1996 18.12.1996

GB/T 4728.13-1996 WITHDRAWN

Graphical symbols for electrical diagrams Part 13:Analogue elements

WITHDRAWN published on 18.12.1996

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Preview GB/T 4728.13-2008 28.5.2008

GB/T 4728.13-2008 WITHDRAWN

Graphical symbols for diagrams—Part 13:Analogue elements

WITHDRAWN published on 28.5.2008

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Preview GB 4728.2-1984 1.1.1984

GB 4728.2-1984 WITHDRAWN

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WITHDRAWN published on 1.1.1984

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Preview GB/T 4728.2-1998 11.3.1998

GB/T 4728.2-1998 WITHDRAWN

Graphical symbols for diagrams—Part 2 Symbol elements,qualifying symbols and other symbols having general application

WITHDRAWN published on 11.3.1998

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Preview GB/T 4728.2-2005 3.3.2005

GB/T 4728.2-2005 WITHDRAWN

Graphical symbols for electrical diagrams—Part 2:Symbol elements,qualifying symbols and other symbols having general application

WITHDRAWN published on 3.3.2005

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Preview GB 4728.3-1984 1.1.1984

GB 4728.3-1984 WITHDRAWN

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WITHDRAWN published on 1.1.1984

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Preview GB/T 4728.3-1998 11.3.1998

GB/T 4728.3-1998 WITHDRAWN

Graphical symbols for diagrams—Part 3 Conductors and connecting devices

WITHDRAWN published on 11.3.1998

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Preview GB/T 4728.3-2005 3.3.2005

GB/T 4728.3-2005 WITHDRAWN

Graphical symbols for electrical diagrams—Part 3:Conductors and connecting devices

WITHDRAWN published on 3.3.2005

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Preview GB 4728.4-1985 1.1.1985

GB 4728.4-1985 WITHDRAWN

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WITHDRAWN published on 1.1.1985

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Preview GB/T 4728.4-1999 23.3.1999

GB/T 4728.4-1999 WITHDRAWN

Graphical symbols for diagrams—Part 4:Basic passive components

WITHDRAWN published on 23.3.1999

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