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Standards GB - Chinese national standards - Page 398
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 1443-2016
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Self-holding tapers for machine tools and tool shanks
Standard published on 24.2.2016
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GB/T 14430-1993
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Planning of single-sideband power line carrier systems
Standard published on 5.6.1993
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GB/T 14431-1993
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Protection ratios and minimum usable field strengths required in thd radio services
Standard published on 9.6.1993
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GB/T 14433-1993
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Technical specifications for coverage networks of colour TV broadcasting
Standard published on 9.6.1993
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GB/T 14434-1993
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Planning parameters for broadcasting-satellite service(BSS) in the band 12 GHz and BSS feeder links
Standard published on 9.6.1993
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GB/T 14435.1-1993
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Frequency sharing between the broadcasting-satellite service and terrestrial services--Guide to frequency sharing between the broadcasting-satellite service (television) and terrestrial services
Standard published on 9.6.1993
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GB/T 14435.3-1993
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Frequencysharing between the broadcasting-satellite services and terrestrial services--Frequency sharing between the broadcasting-satellite service(television)in one side and terrestrial broadcasting services(television)and terrestrial radio-relay system
Standard published on 9.6.1993
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GB/T 14439-1993
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Classification of works in cold water
Standard published on 10.6.1993
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GB/T 1444-2008
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Edison screw lampholders specially used for explosion-proof liminaires
Standard published on 31.12.2008
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GB/T 14440-1993
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Classification of works in cold environment
Standard published on 10.6.1993
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