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GB - Chinese national standards - Page 7790

Standards GB - Chinese national standards - Page 7790

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 4448-1984 1.1.1984

GB 4448-1984 WITHDRAWN

Gooseneck ventilations for ships

WITHDRAWN published on 1.1.1984

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Preview GB 445-1977 1.1.1977

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Preview GB 4450-1984 1.1.1984

GB 4450-1984 WITHDRAWN

Marine blank steel flanges

WITHDRAWN published on 1.1.1984

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Preview GB/T 4450-1995 20.11.1995

GB/T 4450-1995 WITHDRAWN

Marine blank steel flanges

WITHDRAWN published on 20.11.1995

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Preview GB/T 4451-1984 3.6.1984

GB/T 4451-1984 WITHDRAWN

Methods of vibration (sinusoidal) test for use in industrial process measurement and control instrument

WITHDRAWN published on 3.6.1984

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Preview GB 4452-1996 23.9.1996

GB 4452-1996 WITHDRAWN

General technical specification for hydrant

WITHDRAWN published on 23.9.1996

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Preview GB 4452.1-1984 1.1.1984

GB 4452.1-1984 WITHDRAWN

Aboveground hydrant

WITHDRAWN published on 1.1.1984

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Preview GB 4452.2-1984 1.1.1984

GB 4452.2-1984 WITHDRAWN

Underground hydrant

WITHDRAWN published on 1.1.1984

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Preview GB 4452.3-1984 1.1.1984

GB 4452.3-1984 WITHDRAWN

General technical specification for aboveground and underground hydrant

WITHDRAWN published on 1.1.1984

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Preview GB 4453-1984 3.6.1984

GB 4453-1984 WITHDRAWN

Hydrant connector

WITHDRAWN published on 3.6.1984

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