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Standards GB - Chinese national standards - Page 5845
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 1313-1977
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WITHDRAWN published on 1.1.1977
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GB/T 13130-1991
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Specification for interworking of chinese ideogram te-letex on public telecommunication networks—Transportservice
WITHDRAWN published on 15.8.1991
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GB 13131-1991
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Code of Chinese ideogram set for information interchange--3th supplementary set
WITHDRAWN published on 15.8.1991
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GB 13132-1991
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Code of Chinese ideogram set for information interchange--5th supplementary set
WITHDRAWN published on 15.8.1991
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GB/T 13133-1991
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Data communication—DTE to DTE physical connection using X.24 interchange circuits with DTE provided timing
WITHDRAWN published on 15.8.1991
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GB/T 13136-1991
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Specifications for the local subscriber loop carrier equipment
WITHDRAWN published on 15.8.1991
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GB/T 13137-1991
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Specification for 12-channel telephone carrier terminal equipment used on the symmetric pains of 2.6/9.5mm coaxial cable
WITHDRAWN published on 15.8.1991
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GB/T 13138-1991
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Synchros General specification for
WITHDRAWN published on 15.8.1991
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GB/T 13138-2008
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General specification for synchro
WITHDRAWN published on 22.1.2008
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GB/T 13139-1991
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Hysteresis synchronous motors General specification for
WITHDRAWN published on 15.8.1991
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