Standards GB - Chinese national standards - Page 5966

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GB/T 13717-1992 WITHDRAWN

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WITHDRAWN published on 1.10.1992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GB/T 13718-1992 WITHDRAWN

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WITHDRAWN published on 1.10.1992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GB/T 13719-1992 WITHDRAWN

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WITHDRAWN published on 1.10.1992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GB/T 13720-1992 WITHDRAWN

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WITHDRAWN published on 1.10.1992

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