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Standards GB - Chinese national standards - Page 8318
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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GB 5890-1986
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Eye-protector against impacts
WITHDRAWN published on 1.1.1986
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GB/T 5890-1986
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Eye-protector against impacts
WITHDRAWN published on 24.2.1986
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GB 5891-1986
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Test methods for eye-protector against impacts
WITHDRAWN published on 1.1.1986
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GB/T 5891-1986
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Test methods for eye-protector against impacts
WITHDRAWN published on 24.2.1986
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GB 5893.1-1986
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Ear protector--Earplugs
WITHDRAWN published on 1.1.1986
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GB/T 5893.1-1986
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Ear protector--Earplugs
WITHDRAWN published on 28.2.1986
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GB 5893.2-1986
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Ear protector--Earmuff
WITHDRAWN published on 1.1.1986
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GB 5893.3-1986
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Subjective measuring method of ear protector
WITHDRAWN published on 1.1.1986
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GB 5893.4-1986
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Method of insertion loss measurement of earmuff
WITHDRAWN published on 1.1.1986
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GB/T 5894-1986
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The terms of mechanical seal
WITHDRAWN published on 1.3.1986
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