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GB - Chinese national standards - Page 6622

Standards GB - Chinese national standards - Page 6622

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 18015.6-2007 23.1.2007
GB/T 18015.6-2007 WITHDRAWN

Multicore and symmetrical pair/quad cables for digital communications - Part 6: Symmetrical pair/quad cables with transmission characteristics up to 600MHz - Work area wiring - Sectional specification

WITHDRAWN published on 23.1.2007

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Preview GB/T 18015.7-1999 11.11.1999
GB/T 18015.7-1999 WITHDRAWN

Multicore and symmetrical pair/quad cables for digital communications—Part 7:Riser cables—Blank detail specification

WITHDRAWN published on 11.11.1999

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Preview GB/T 18018-1999 11.11.1999
GB/T 18018-1999 WITHDRAWN

Security requirements for router

WITHDRAWN published on 11.11.1999

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Preview GB/T 18018-2007 13.6.2007
GB/T 18018-2007 WITHDRAWN

Information security technology—Technical requirements for router security

WITHDRAWN published on 13.6.2007

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Preview GB/T 18019-1999 11.11.1999
GB/T 18019-1999 WITHDRAWN

Information technology—Security requirements for packet filter firewalls

WITHDRAWN published on 11.11.1999

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Preview GB/T 18020-1999 11.11.1999
GB/T 18020-1999 WITHDRAWN

Information technology—Security requirements for application level firewall

WITHDRAWN published on 11.11.1999

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Preview GB/T 18021-2000 16.3.2000
GB/T 18021-2000 WITHDRAWN

In-situ measurements of heat loss through thermal insulation of equipments and pipes-surface temperature method

WITHDRAWN published on 16.3.2000

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Preview GB/T 18024.1-2000 16.3.2000
GB/T 18024.1-2000 WITHDRAWN

Graphical symbols for use in technical documentation of coal mine machinery—General principles

WITHDRAWN published on 16.3.2000

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Preview GB/T 18024.1-2009 30.10.2009
GB/T 18024.1-2009 WITHDRAWN

Graphical symbols for the technical documentation of coal mine machinery—Part 1:General principles

WITHDRAWN published on 30.10.2009

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Preview GB/T 18024.2-2000 16.3.2000
GB/T 18024.2-2000 WITHDRAWN

Graphical symbols for use in technical documentation of coal mine machinery—Graphical symbols for coal face support machinery

WITHDRAWN published on 16.3.2000

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in 2 working days

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