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GB - Chinese national standards - Page 7878

Standards GB - Chinese national standards - Page 7878

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 4770.2-1984 1.1.1984

GB/T 4770.2-1984 WITHDRAWN

The test methods for 12-channel open wire carrier telephone equipment

WITHDRAWN published on 1.1.1984

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Preview GB/T 4770.3-1984 1.1.1984

GB/T 4770.3-1984 WITHDRAWN

The test methods for 60-channel symmetrical cable carrier telephone equipment

WITHDRAWN published on 1.1.1984

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Preview GB/T 4771-1984 30.11.1984

GB/T 4771-1984 WITHDRAWN

Released alkali tests of glasses and glass containers for pharmaceutical preparations

WITHDRAWN published on 30.11.1984

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Preview GB 4772.1-1984 1.1.1984

GB 4772.1-1984 WITHDRAWN

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Preview GB 4772.2-1984 1.1.1984

GB 4772.2-1984 WITHDRAWN

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Preview GB 4772.3-1984 1.1.1984

GB 4772.3-1984 WITHDRAWN

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Preview GB/T 4773-1984 27.11.1984

GB/T 4773-1984 WITHDRAWN

Parameters of steam turbines in conventional combined heating and power stations

WITHDRAWN published on 27.11.1984

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Preview GB/T 4774-1984 27.11.1984

GB/T 4774-1984 WITHDRAWN

Terminology of centrifuge and filter

WITHDRAWN published on 27.11.1984

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Preview GB/T 4774-2004 9.6.2004

GB/T 4774-2004 WITHDRAWN

Terminology of separating machine

WITHDRAWN published on 9.6.2004

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Preview GB 4775-1984 1.1.1984

GB 4775-1984 WITHDRAWN

Tool joints for drill pipe for oil or natural gas wells

WITHDRAWN published on 1.1.1984

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