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GB - Chinese national standards - Page 7392

Standards GB - Chinese national standards - Page 7392

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 28905-2012E 5.11.2012

GB/T 28905-2012E WITHDRAWN

Low yield strength steel plate for construction

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Preview GB/T 28906-2012 5.11.2012

GB/T 28906-2012 WITHDRAWN

Hot rolled wire rod for cold heading

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Preview GB/T 28907-2012 5.11.2012

GB/T 28907-2012 WITHDRAWN

Sulfuric acid dew-point corrosion resistance steel plates and strips

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Preview GB/T 2891-1995 28.6.1995

GB/T 2891-1995 WITHDRAWN

Performance test methods for facepiece of filter type respirator

WITHDRAWN published on 28.6.1995

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electronic design (pdf) (666.00 USD)

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Preview GB 2891.1-1982 1.1.1982

GB 2891.1-1982 WITHDRAWN

Test method of gas tight performance of exhalant valve for respirator

WITHDRAWN published on 1.1.1982

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Preview GB 2891.2-1982 1.1.1982

GB 2891.2-1982 WITHDRAWN

Test method of airflow resistance of exhalant valve of facepiece for respirator

WITHDRAWN published on 1.1.1982

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Preview GB 2891.3-1982 1.1.1982

GB 2891.3-1982 WITHDRAWN

Test method of inhalant resistance of facepiece for respirator

WITHDRAWN published on 1.1.1982

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Preview GB 2891.4-1982 1.1.1982

GB 2891.4-1982 WITHDRAWN

Test method of field vision for respirator

WITHDRAWN published on 1.1.1982

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Preview GB 2891.5-1982 1.1.1982

GB 2891.5-1982 WITHDRAWN

Test method of efficient harmful space of facepiece for respirator

WITHDRAWN published on 1.1.1982

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Preview GB 2891.6-1982 1.1.1982

GB 2891.6-1982 WITHDRAWN

Test method of wearing leakage coefficient of facepiece for respirator (Oil mist method)

WITHDRAWN published on 1.1.1982

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