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Standards GB - Chinese national standards - Page 5930
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 13708-1992
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Blank detail specification for photomultiplier tubes
WITHDRAWN published on 4.10.1992
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GB/T 13709-1992
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Blank detail specification of X-ray tubes for detection
WITHDRAWN published on 4.10.1992
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GB/T 13710-1992
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Blank detail for specification of X-ray tubes for analysis
WITHDRAWN published on 4.10.1992
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GB/T 13711-1992
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Technical requirements for INMARSAT A ship earth stations
WITHDRAWN published on 4.10.1992
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GB/T 13716-1992
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Information processing--Data interchange on 130mm(5.25in) flexible disk cartridges using modified frequency modulation recording at 7958 ftprad 3.8tpmm (96tpi) on bothsides--Part 1:Dimensional physical and magnetic characteristics
WITHDRAWN published on 1.10.1992
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GB/T 13717-1992
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Information processing--Data interchange on 130mm(5.25in) flexible disk cartridges using modified frequency modulation recording at 7958 ftprad3.8 tpmm (96tpi)on both sides--Part 2:Track format A
WITHDRAWN published on 1.10.1992
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GB/T 13718-1992
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Information processing--Datainterchange on 130mm(5.25in) flexible disk cartridges using modified frequency modulation recording at 7958 ftprad3.8 tpmm (96tpi)on both sides--Part 3:Track format B
WITHDRAWN published on 1.10.1992
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GB/T 13719-1992
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Information processing--Datainterchange on 90mm (3.5in) flexible disk cartridges using modified frequency modulation recording at 7958 ftprad on 80 tracks on each side--Part 1:Dimensional physical and magnetic characteristics
WITHDRAWN published on 1.10.1992
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GB/T 13720-1992
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Information processing--Data interchange on 90mm (3.5in) flexible disk cartridges using modified frequency modulation recording at 7958 ftprad on 80 tracks on each side--Part 2:Track format
WITHDRAWN published on 1.10.1992
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GB/T 13721-1992
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Methods of measurements of audio-frequency band and simulated systems for selective calling equipment used in the mobile services
WITHDRAWN published on 4.10.1992
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