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Standards GB - Chinese national standards - Page 168
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/T 12190-2021
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Method for measuring the shielding effectiveness of electromagnetic shielding enclosures
Standard published on 21.5.2021
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GB/T 12192-2017
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Methods of measurement for transmitters employing F3E or G3E emissions used in the mobile services
Standard published on 29.12.2017
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GB/T 12193-2017
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Methods of measurement for receivers employing F3E or G3E emission used in the mobile services
Standard published on 29.12.2017
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GB/T 12199-2000
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Environmental testing requirements and methods for non-broadcast video tape recorders
Standard published on 17.10.2000
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GBJ 122-1988
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Code for measurement of noise in industrial enterprises
Standard published on 18.3.1988
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GB/Z 122-2025
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Surface chemical analysis—Glow discharge mass spectrometry—Operating procedures
Standard published on 3.12.2025
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GB/T 1220-2007
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Stainless steel bars
Standard published on 14.5.2007
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GB/T 12200.1-1990
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Chinese information processing--Vocabulary--Part 01:Fundamental terms
Standard published on 1.2.1990
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GB/T 12200.2-1994
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Chinese information processing--Vocabulary--Part 02:Chinese and Chinese character
Standard published on 7.12.1994
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GB/T 12204-2010
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Glossary of general terms in metal cutting
Standard published on 10.11.2010
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