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Standards GB - Chinese national standards - Page 5601
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 12851-1991
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Blank detail specification of twisted nematic liquid crystal displays for instruments
WITHDRAWN published on 28.4.1991
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GB/T 12852-1991
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Generic specification for magnetrons
WITHDRAWN published on 1.1.1991
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GB/T 12853-1991
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Blank detail specification for continuous wave magnetrons
WITHDRAWN published on 1.1.1991
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GB/T 12859-1991
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Generic specification for piezoelectric ceramic resonators for use in electronic equipment
WITHDRAWN published on 28.4.1991
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GB 1286-1977
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WITHDRAWN published on 1.1.1977
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GB/T 12860-1991
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Piezoelectric ceramic resonators for use in electronic equipment Sectional specification for Piezoelectric ceramic resonators for low frequency
WITHDRAWN published on 28.4.1991
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GB/T 12861-1991
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Piezoelectric ceramic resonators for use in electronic equipment—Blank detail specification for Piezoelectric ceramic resonators for low frequency—Assessment level E
WITHDRAWN published on 28.4.1991
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GB/T 12862-1991
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Piezoelectric ceramic resonators for use in electronic equipment Sectional specification for Piezoelectric ceramic resonators for high frequency
WITHDRAWN published on 28.4.1991
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GB/T 12863-1991
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Piezoelectric ceramic resonators for use in electronic equipment Blank detail specification for Piezoelectric ceramic resonators for high frequency Assessment level E
WITHDRAWN published on 28.4.1991
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GB/T 12866-1991
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Piezoelectric ceramic filters for use in electronic equipment--Sectional specification for piezoelectric ceramic filters for communication equipment
WITHDRAWN published on 1.1.1991
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