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Standards GB - Chinese national standards - Page 103
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 11297.9-2015
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Test method for dielectric tangent of loss angle of pyroelectric materials
Standard published on 31.12.2015
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GB/T 11298.1-1997
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Methods of measurement for satellite television earth receive-only station--System measurement
Standard published on 26.8.1997
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GB/T 11298.2-1997
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Methods of measurement for satellite television earth receive-only station--Antenna measurement
Standard published on 26.8.1997
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GB/T 11298.3-1997
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Methods of measurement for satellite television earth receive-only station--Door-out unit measurement
Standard published on 26.8.1997
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GB/T 11298.4-1997
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Methods of measurement for satellite television earth receive-only station--Door-in unit measurement
Standard published on 26.8.1997
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GB/T 11299.1-1989
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Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-systems and combinations of sub-systems--Section one:General
Standard published on 31.3.1989
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GB/T 11299.10-1989
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Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section ten:High-power amplifier
Standard published on 31.3.1989
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GB/T 11299.11-1989
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Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurement for combinations of sub-systems--Section one: General
Standard published on 31.3.1989
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GB/T 11299.12-1989
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Methods of measurement for radio equipment used insatellite earth stations--Part 3:Methods of measurements for combination of sub-systems--Section two:Measurement of the figure of merit(G/T)of the receiving system in the 4GHz to 6GHz range
Standard published on 31.3.1989
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GB/T 11299.13-1989
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Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurements for combinations of sub-systems--Section three:Measurements for F.D.M. transmission
Standard published on 31.3.1989
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