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Standards GB - Chinese national standards - Page 5588
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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GBN 122-1981
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WITHDRAWN published on 1.1.1981
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GB/T 1220-1992
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Stainless steel bars
WITHDRAWN published on 16.11.1992
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GB 12201-1990
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Test methods of VSWR of the waveguide feed-system for marine radar
WITHDRAWN published on 1.1.1990
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GB 12202-1990
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Water boiling gas appliances
WITHDRAWN published on 1.1.1990
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GB 12203-1990
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Thermocouple electromagnetic protector of extinguishment for gas appliance
WITHDRAWN published on 1.1.1990
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GB/T 12204-1990
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Glossary of general terms in metal cutting
WITHDRAWN published on 12.3.1990
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GB/T 12205-1990
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Chemical analysis method for main composition of manufactured fuel gas
WITHDRAWN published on 4.1.1990
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GB/T 12206-1990
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Method of testing for calorific value of gas in urban areas
WITHDRAWN published on 4.1.1990
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GB/T 12207-1990
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Method of testing for relative density of gas in urban area
WITHDRAWN published on 4.1.1990
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GB/T 12208-1990
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Determination of coal tar and dust of gas in urban area
WITHDRAWN published on 4.1.1990
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