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Standards GB - Chinese national standards - Page 5665
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 1205-1975
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Minimum thicknesses in rim and centre of lens
WITHDRAWN published on 5.6.1975
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GB/T 12050-1989
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Information processing--Uighur coded graphic character sets for information interchange
WITHDRAWN published on 29.12.1989
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GB/T 12051-1989
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24 Dot matrix font set and data set of Mongolian characters for information processing
WITHDRAWN published on 29.12.1989
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GB/T 12056-1989
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Data processing—Description of interface between process computing system and technical process
WITHDRAWN published on 29.12.1989
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GB/T 12058-1989
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Listening tests on loudspeakers
WITHDRAWN published on 29.12.1989
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GB 12059-1989
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The properties and the test methods for antistatic silk-like fabric of synthetic filament in electronic industry
WITHDRAWN published on 1.1.1989
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GB/T 12060-1989
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Sound system equipment explanation of general terms and calculation methods
WITHDRAWN published on 29.12.1989
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GB 12061-1989
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General specification for lead-tinned for electronic components and devices
WITHDRAWN published on 1.1.1989
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GB/T 12062-1989
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Minimum performance requirements on high fidelity audio combination equipment
WITHDRAWN published on 29.12.1989
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GB 12063-1989
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Cylinder honing machine
WITHDRAWN published on 1.1.1989
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