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GB - Chinese national standards - Page 7546

Standards GB - Chinese national standards - Page 7546

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 4049-1983 1.1.1983

GB 4049-1983 WITHDRAWN

Wristwatch--Dimensions of spring bars for bracelets

WITHDRAWN published on 1.1.1983

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Preview GB/T 405-1978 20.6.1978

GB/T 405-1978 WITHDRAWN

Rules of acceptance for cotton yarn

WITHDRAWN published on 20.6.1978

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Preview GB 4050-1983 1.1.1983

GB 4050-1983 WITHDRAWN

Dimensional series of horological jewel elements

WITHDRAWN published on 1.1.1983

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Preview GB 4051-1983 1.1.1983

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WITHDRAWN published on 1.1.1983

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Preview GB/T 4051-1997 28.5.1997

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Cal synthetic ruby

WITHDRAWN published on 28.5.1997

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Preview GB 4052-1983 1.1.1983

GB 4052-1983 WITHDRAWN

Full face rock tunnel boring machine--Terminology

WITHDRAWN published on 1.1.1983

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Preview GB 4053.1-1993 27.12.1993

GB 4053.1-1993 WITHDRAWN

Safety requirements for fixed steel vertical ladders

WITHDRAWN published on 27.12.1993

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Preview GB 4053.2-1993 27.12.1993

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Safety requirements for fixed steel oblique ladders

WITHDRAWN published on 27.12.1993

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Preview GB 4053.3-1993 27.12.1993

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Safety requirements for fixed industrial protective railings

WITHDRAWN published on 27.12.1993

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Preview GB 4053.4-1983 19.12.1983

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Fixed steel industrial platform

WITHDRAWN published on 19.12.1983

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